ninja-fix Using shaded Guava classes for import in order to make OSGi class paths happy.

Major hat tip to Dmitry Konstantinov for the find here!

core/src/main/java/com/datastax/oss/driver/internal/core/cql/CqlPrepareAsyncProcessor.java

diff --git a/core/src/main/java/com/datastax/oss/driver/internal/core/cql/CqlPrepareAsyncProcessor.java b/core/src/main/java/com/datastax/oss/driver/internal/core/cql/CqlPrepareAsyncProcessor.java
index 918d75e..a3d11cf 100644
--- a/core/src/main/java/com/datastax/oss/driver/internal/core/cql/CqlPrepareAsyncProcessor.java
+++ b/core/src/main/java/com/datastax/oss/driver/internal/core/cql/CqlPrepareAsyncProcessor.java
@@ -34,11 +34,11 @@
 import com.datastax.oss.driver.internal.core.session.RequestProcessor;
 import com.datastax.oss.driver.internal.core.util.concurrent.CompletableFutures;
 import com.datastax.oss.driver.internal.core.util.concurrent.RunOrSchedule;
+import com.datastax.oss.driver.shaded.guava.common.base.Functions;
 import com.datastax.oss.driver.shaded.guava.common.cache.Cache;
 import com.datastax.oss.driver.shaded.guava.common.cache.CacheBuilder;
 import com.datastax.oss.driver.shaded.guava.common.collect.Iterables;
 import com.datastax.oss.protocol.internal.ProtocolConstants;
-import com.google.common.base.Functions;
 import edu.umd.cs.findbugs.annotations.NonNull;
 import io.netty.util.concurrent.EventExecutor;
 import java.util.Map;