Pass application packagename to drm plugin.

Pass application package name to createPlugin and createDrmPlugin.
The application packagename will be used as part of a unique
identifier for drm plugin.

Test: Play Movies.

Test: ANDROID_BUILD_TOP= ./android-gts/tools/gts-tradefed run gts -m
GtsMediaTestCases --test
com.google.android.media.gts.WidevineH264PlaybackTests#testL1With480P60

Verify the application's packagename is reachable in the drm plugin's
debug log.

bug: 27101531

Change-Id: I84fb09b591a7af63f6e20004e910112a4ce6ebac
diff --git a/services/mediadrm/Android.mk b/services/mediadrm/Android.mk
index f667068..12b9d76 100644
--- a/services/mediadrm/Android.mk
+++ b/services/mediadrm/Android.mk
@@ -26,7 +26,7 @@
     libmediadrm \
     libutils \
     libandroidfw
-ifeq ($(ENABLE_TREBLE_DRM), true)
+ifeq ($(ENABLE_TREBLE), true)
 LOCAL_SHARED_LIBRARIES += \
     libhidlbase \
     libhidlmemory \
@@ -35,8 +35,8 @@
 endif
 
 LOCAL_CFLAGS += -Wall -Wextra -Werror
-ifeq ($(ENABLE_TREBLE_DRM), true)
-LOCAL_CFLAGS += -DENABLE_TREBLE_DRM=1
+ifeq ($(ENABLE_TREBLE), true)
+LOCAL_CFLAGS += -DENABLE_TREBLE=1
 endif
 
 LOCAL_MODULE:= mediadrmserver