Remove copied reference to undefined local_javac_flags

Change-Id: I481ad579c43970d01bba61c994173fe3440f42de
diff --git a/Android.mk b/Android.mk
index b66fefd..b4bf0aa 100644
--- a/Android.mk
+++ b/Android.mk
@@ -66,7 +66,6 @@
 LOCAL_SRC_FILES += $(core-junit-files)
 LOCAL_NO_STANDARD_LIBRARIES := true
 LOCAL_JAVA_LIBRARIES := core-libart
-LOCAL_JAVACFLAGS := $(local_javac_flags)
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE := core-junit
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk $(LOCAL_PATH)/Common.mk
@@ -82,7 +81,6 @@
 # on it
 LOCAL_SRC_FILES := $(call all-java-files-under, src/junit/extensions)
 LOCAL_SRC_FILES += $(core-junit-files)
-LOCAL_JAVACFLAGS := $(local_javac_flags)
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE := core-junit-hostdex
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk $(LOCAL_PATH)/Common.mk