Remove build warnings due to now unnecessary LOCAL_MODULE_TAGS

Change-Id: I90b413525b00de930ab9319546c32dece0ec1e77
diff --git a/build/Android.gtest.mk b/build/Android.gtest.mk
index d090395..ebacce7 100644
--- a/build/Android.gtest.mk
+++ b/build/Android.gtest.mk
@@ -53,7 +53,6 @@
 
   LOCAL_CPP_EXTENSION := $(ART_CPP_EXTENSION)
   LOCAL_MODULE := $$(art_gtest_name)
-  LOCAL_MODULE_TAGS := tests
   LOCAL_SRC_FILES := $$(art_gtest_filename) src/common_test.cc
   LOCAL_C_INCLUDES += $(ART_C_INCLUDES)
   LOCAL_SHARED_LIBRARIES := libartd
diff --git a/build/Android.libarttest.mk b/build/Android.libarttest.mk
index bb2600c..3e8419b 100644
--- a/build/Android.libarttest.mk
+++ b/build/Android.libarttest.mk
@@ -31,7 +31,6 @@
 
   LOCAL_CPP_EXTENSION := $(ART_CPP_EXTENSION)
   LOCAL_MODULE := libarttest
-  LOCAL_MODULE_TAGS := tests
   LOCAL_SRC_FILES := $(LIBARTTEST_COMMON_SRC_FILES)
   LOCAL_SHARED_LIBRARIES := libartd
   LOCAL_C_INCLUDES += $(ART_C_INCLUDES)
diff --git a/build/Android.oattest.mk b/build/Android.oattest.mk
index 4ceaf8a..a2521ac 100644
--- a/build/Android.oattest.mk
+++ b/build/Android.oattest.mk
@@ -25,7 +25,6 @@
 define build-art-test-dex
   include $(CLEAR_VARS)
   LOCAL_MODULE := $(1)-$(2)
-  LOCAL_MODULE_TAGS := tests
   LOCAL_SRC_FILES := $(call all-java-files-under, test/$(2))
   LOCAL_JAVA_LIBRARIES := $(TARGET_CORE_JARS)
   LOCAL_NO_STANDARD_LIBRARIES := true
@@ -37,7 +36,6 @@
 
   include $(CLEAR_VARS)
   LOCAL_MODULE := $(1)-$(2)
-  LOCAL_MODULE_TAGS := tests
   LOCAL_SRC_FILES := $(call all-java-files-under, test/$(2))
   LOCAL_JAVA_LIBRARIES := $(HOST_CORE_JARS)
   LOCAL_NO_STANDARD_LIBRARIES := true