[tool] Add gflag to control the display of hash info when show partition info.

The command with 'show_hash_partition_info' looks like:
    `kudu table list --list_tablets --show_tablet_partition_info --show_hash_partition_info <table_name> <master_addresses> [-negotiation_timeout_ms=<ms>] [-timeout_ms=<ms>]`

The output of the command with 'show_hash_partition_info' looks like:
    `
TestTableListPartition
  T f7537632388b46a394b818979a17920c : HASH (key_hash0) PARTITION 0, HASH (key_hash1, key_hash2) PARTITION 0, RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 4f1a71d9907b49a1aff479fbafc65a42 : HASH (key_hash0) PARTITION 0, HASH (key_hash1, key_hash2) PARTITION 0, RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T b11db1b8fc304cc19a0211df45818efc : HASH (key_hash0) PARTITION 0, HASH (key_hash1, key_hash2) PARTITION 1, RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T db401470d3374d9bba75f56677c1d1c2 : HASH (key_hash0) PARTITION 0, HASH (key_hash1, key_hash2) PARTITION 1, RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T ead7e1bbc3cd465cb755118e769b8c72 : HASH (key_hash0) PARTITION 0, HASH (key_hash1, key_hash2) PARTITION 2, RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 19ffc549b26f49928ecb552224860bf2 : HASH (key_hash0) PARTITION 0, HASH (key_hash1, key_hash2) PARTITION 2, RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 38c95bd395404dbda094826f5054aced : HASH (key_hash0) PARTITION 1, HASH (key_hash1, key_hash2) PARTITION 0, RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 8c257d4c5ebc4bffb5c27beeef1e9355 : HASH (key_hash0) PARTITION 1, HASH (key_hash1, key_hash2) PARTITION 0, RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 6c6d1f1e4df8456f9853beaab6bd7bee : HASH (key_hash0) PARTITION 1, HASH (key_hash1, key_hash2) PARTITION 1, RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 05f27b37443c4b7e843e1d7bba2fb5ee : HASH (key_hash0) PARTITION 1, HASH (key_hash1, key_hash2) PARTITION 1, RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 48ece2705bc14819b1a38aa489f39e50 : HASH (key_hash0) PARTITION 1, HASH (key_hash1, key_hash2) PARTITION 2, RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 768cea86cf8543258313e242afa8f057 : HASH (key_hash0) PARTITION 1, HASH (key_hash1, key_hash2) PARTITION 2, RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907
    `

The command without 'show_hash_partition_info' looks like:
    `kudu table list --list_tablets --show_tablet_partition_info <table_name> <master_addresses> [-negotiation_timeout_ms=<ms>] [-timeout_ms=<ms>]`

The output of the command without 'show_hash_partition_info' looks like:
    `
TestTableListPartition
  T f7537632388b46a394b818979a17920c : RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 4f1a71d9907b49a1aff479fbafc65a42 : RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T b11db1b8fc304cc19a0211df45818efc : RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T db401470d3374d9bba75f56677c1d1c2 : RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T ead7e1bbc3cd465cb755118e769b8c72 : RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 19ffc549b26f49928ecb552224860bf2 : RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 38c95bd395404dbda094826f5054aced : RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 8c257d4c5ebc4bffb5c27beeef1e9355 : RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 6c6d1f1e4df8456f9853beaab6bd7bee : RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 05f27b37443c4b7e843e1d7bba2fb5ee : RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 48ece2705bc14819b1a38aa489f39e50 : RANGE (key_range) PARTITION 0 <= VALUES < 1
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907

  T 768cea86cf8543258313e242afa8f057 : RANGE (key_range) PARTITION 2 <= VALUES < 3
    L 883ba129547f4e9a90134fac739334f1 127.18.13.1:34907
    `
Change-Id: I8bba23740a8544ea40360b70e394c31d500f81c1
Reviewed-on: http://gerrit.cloudera.org:8080/18797
Tested-by: Kudu Jenkins
Reviewed-by: Yingchun Lai <acelyc1112009@gmail.com>
Reviewed-by: Alexey Serbin <alexey@apache.org>
5 files changed