8157635: Fix module dependencies for /sun/* tests
Summary: Module declarations for the tests in /sun/*
Reviewed-by: alanb
Contributed-by: John Jiang <sha.jiang@oracle.com>

8148627: RestrictTestMaxCachedBufferSize.java to 64-bit platforms
Reviewed-by: alanb

8147468: Allow users to bound the size of buffers cached in the per-thread buffer caches
Summary: Introduces the jdk.nio.maxCachedBufferSize property.
Reviewed-by: alanb, bpb