PARQUET-1878: [C++] lz4 codec is not compatible with Hadoop Lz4Codec (#13)

This patch adds two parquet files used for testing in https://github.com/apache/arrow/pull/7789

File contents (same for both files):
```
$ parquet-tools dump hadoop_snappy_348283e35cc107e1a1f6b1bb00e397fe576bf4bad16ec3216799aa52a7552357.parquet
row group 0
--------------------------------------------------------------------------------
c0:   INT64 SNAPPY DO:0 FPO:4 SZ:97/93/0.96 VC:4 ENC:PLAIN_DICTIONARY,BIT_PACKED [more]...
c1:   BINARY SNAPPY DO:0 FPO:101 SZ:65/61/0.94 VC:4 ENC:PLAIN_DICTIONA [more]...
v11:  DOUBLE SNAPPY DO:0 FPO:166 SZ:110/108/0.98 VC:4 ENC:RLE,PLAIN_DI [more]...
    c0 TV=4 RL=0 DL=0 DS:  2 DE:PLAIN_DICTIONARY
    ----------------------------------------------------------------------------
    page 0:                 DLE:BIT_PACKED RLE:BIT_PACKED VLE:PLAIN_DICTIONARY [more]... VC:4
    c1 TV=4 RL=0 DL=0 DS:  2 DE:PLAIN_DICTIONARY
    ----------------------------------------------------------------------------
    page 0:                 DLE:BIT_PACKED RLE:BIT_PACKED VLE:PLAIN_DICTIONARY [more]... VC:4
    v11 TV=4 RL=0 DL=1 DS: 3 DE:PLAIN_DICTIONARY
    ----------------------------------------------------------------------------
    page 0:                 DLE:RLE RLE:BIT_PACKED VLE:PLAIN_DICTIONARY [more]... VC:4
INT64 c0
--------------------------------------------------------------------------------
*** row group 1 of 1, values 1 to 4 ***
value 1: R:0 D:0 V:1593604800
value 2: R:0 D:0 V:1593604800
value 3: R:0 D:0 V:1593604801
value 4: R:0 D:0 V:1593604801
BINARY c1
--------------------------------------------------------------------------------
*** row group 1 of 1, values 1 to 4 ***
value 1: R:0 D:0 V:0x616263
value 2: R:0 D:0 V:0x646566
value 3: R:0 D:0 V:0x616263
value 4: R:0 D:0 V:0x646566
DOUBLE v11
--------------------------------------------------------------------------------
*** row group 1 of 1, values 1 to 4 ***
value 1: R:0 D:1 V:42.0
value 2: R:0 D:1 V:7.7
value 3: R:0 D:1 V:42.125
value 4: R:0 D:1 V:7.7
```
tree: f1e9c6628bd24bf3c13feede2825e97cc01cda1f
  1. LICENSE.txt
  2. README.md
  3. bad_data/
  4. data/
README.md

Testing Data and Utilities for Apache Parquet