Add empty gtest_test for debugging

(cherry picked from commit be1f5881221863acce651d1351a76b8022bb463e)

Change-Id: Ic12ff636599451213d6db36e52fab89166b7e6b7
diff --git a/build/Android.common.mk b/build/Android.common.mk
index ce97a5d..57baee7 100644
--- a/build/Android.common.mk
+++ b/build/Android.common.mk
@@ -315,6 +315,7 @@
 	src/dex_instruction_visitor_test.cc \
 	src/exception_test.cc \
 	src/file_test.cc \
+	src/gtest_test.cc \
 	src/heap_test.cc \
 	src/image_test.cc \
 	src/indirect_reference_table_test.cc \