Tag apps as tests in order to embed JNI libs.

Also it makes sure the apps won't be installed to system.img.

Change-Id: If309ae47b5dba0525c6aec49cabaddd46a15181c
diff --git a/suite/cts/deviceTests/dram/Android.mk b/suite/cts/deviceTests/dram/Android.mk
index 1935483..861a313 100644
--- a/suite/cts/deviceTests/dram/Android.mk
+++ b/suite/cts/deviceTests/dram/Android.mk
@@ -16,7 +16,7 @@
 include $(CLEAR_VARS)
 
 # don't include this package in any target
-LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_TAGS := tests
 
 LOCAL_JAVA_LIBRARIES := android.test.runner
 
diff --git a/suite/cts/deviceTests/opengl/Android.mk b/suite/cts/deviceTests/opengl/Android.mk
index 1b7d42b..8617436 100644
--- a/suite/cts/deviceTests/opengl/Android.mk
+++ b/suite/cts/deviceTests/opengl/Android.mk
@@ -16,7 +16,7 @@
 include $(CLEAR_VARS)
 
 # don't include this package in any target
-LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_TAGS := tests
 
 LOCAL_JAVA_LIBRARIES := android.test.runner
 
@@ -32,4 +32,4 @@
 
 include $(BUILD_CTS_PACKAGE)
 
-include $(call all-makefiles-under,$(LOCAL_PATH))
\ No newline at end of file
+include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/suite/cts/deviceTests/simplecpu/Android.mk b/suite/cts/deviceTests/simplecpu/Android.mk
index 003b0f2..0cc73cc 100644
--- a/suite/cts/deviceTests/simplecpu/Android.mk
+++ b/suite/cts/deviceTests/simplecpu/Android.mk
@@ -16,7 +16,7 @@
 include $(CLEAR_VARS)
 
 # don't include this package in any target
-LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_TAGS := tests
 
 LOCAL_JAVA_LIBRARIES := android.test.runner