Add new files to Android.mk

Change-Id: Ia6e203be42be9e7beb00b2776b177b6c658a5692
diff --git a/Android.mk b/Android.mk
index 808a7b5..c3820ac 100644
--- a/Android.mk
+++ b/Android.mk
@@ -567,9 +567,11 @@
 	modules/gles31/functional/es31fLayoutBindingTests.cpp \
 	modules/gles31/functional/es31fMultisampleShaderRenderCase.cpp \
 	modules/gles31/functional/es31fMultisampleTests.cpp \
+	modules/gles31/functional/es31fNegativeAtomicCounterTests.cpp \
 	modules/gles31/functional/es31fNegativeBufferApiTests.cpp \
 	modules/gles31/functional/es31fNegativeFragmentApiTests.cpp \
 	modules/gles31/functional/es31fNegativeShaderApiTests.cpp \
+	modules/gles31/functional/es31fNegativeShaderImageLoadStoreTests.cpp \
 	modules/gles31/functional/es31fNegativeStateApiTests.cpp \
 	modules/gles31/functional/es31fNegativeTestShared.cpp \
 	modules/gles31/functional/es31fNegativeTextureApiTests.cpp \