Provide a default liboemcrypto called liboemstub for devices that do not have widevine OEM integration but still build the wv libs.

Change-Id: Iaa577416f3996677af234738ac0cd3344bbee9bc

proprietary/drmwvmplugin/lib/Android.mk

@@ -0,0 +1,25 @@
+ifeq ($(TARGET_ARCH),arm)
+
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := libwvocs
+LOCAL_SRC_FILES := \
+        libwvocs.a
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_SUFFIX := .a
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+include $(BUILD_PREBUILT)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := liboemstub
+LOCAL_SRC_FILES := \
+        liboemstub.a
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_SUFFIX := .a
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+include $(BUILD_PREBUILT)
+
+endif