Add data_libs property to cc_test rules

This allows dependencies on link:shared variant of library modules, and
adds the shared libraries adjacent to the test binary

Test: Manually verified on bionic-unit-tests target
Change-Id: I5d406bf9428664c5ac3d3c5915507b750375debb

cc/testing.go

@@ -500,6 +500,7 @@ func CreateTestContext() *android.TestContext {
 	ctx := android.NewTestArchContext()
 	ctx.RegisterModuleType("cc_fuzz", FuzzFactory)
 	ctx.RegisterModuleType("cc_test", TestFactory)
+	ctx.RegisterModuleType("cc_test_library", TestLibraryFactory)
 	ctx.RegisterModuleType("llndk_headers", llndkHeadersFactory)
 	ctx.RegisterModuleType("vendor_public_library", vendorPublicLibraryFactory)
 	ctx.RegisterModuleType("filegroup", android.FileGroupFactory)