Add LOCAL_COMPATIBILITY_SUPPORT_FILES to copy arbitrary CTS support files.

LOCAL_COMPATIBILITY_SUPPORT_FILES is a list of <src>:<dest>,
where <src> is relative to LOCAL_PATH and <dest> is relative to the
suite's testcases out directory.
We keep the rule to auto-detect AndroidTest.xml and DynamicConfig.xml,
so you don't need to modify the existing cts Android.mks.

Bug: 24139963
Bug: 21762834
Change-Id: Iecb83fcbcf8c7575c27802bfd773e4134aec39d5
2 files changed