Allow building non-gtest tests with cc_test

That way we get the other special cc_test features (test_per_src,
multilib-both default, nativetest install path).

Restrict test_per_src to CCTest instead of allowing all CCBinaries to
use it.

Change-Id: I767540841fe5d1f9755883ee7c3d1f24004f9631
1 file changed