add gtest to darwin and windows whitelist for adb_test

To build adb_test (from system/core/adb) on Windows, gtest is needed,
thus add libgtest_host and libgtest_main_host to the whitelist for
Windows. Also added to Darwin.

Change-Id: Ia38e18bebe40d0061ffe41015dc86c5973f63281
Signed-off-by: Spencer Low <CompareAndSwap@gmail.com>
1 file changed