Fix some module tags

There is no LOCAL_MODULES_TAGS. Fix by combining with LOCAL_MODULE_TAGS.

Change-Id: I1cacef2f8123af3632ff6a52aa62c2f2e15ac37d
diff --git a/libtar/Android.mk b/libtar/Android.mk
index 1972573..838b441 100644
--- a/libtar/Android.mk
+++ b/libtar/Android.mk
@@ -4,9 +4,8 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := libtar
-LOCAL_MODULE_TAGS := eng
-LOCAL_MODULES_TAGS = optional
-LOCAL_CFLAGS = 
+LOCAL_MODULE_TAGS := eng optional
+LOCAL_CFLAGS :=
 LOCAL_SRC_FILES = append.c block.c decode.c encode.c extract.c handle.c output.c util.c wrapper.c basename.c strmode.c libtar_hash.c libtar_list.c dirname.c
 LOCAL_C_INCLUDES += $(LOCAL_PATH) \
 					external/zlib
@@ -24,8 +23,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := libtar_static
-LOCAL_MODULE_TAGS := eng
-LOCAL_MODULES_TAGS = optional
+LOCAL_MODULE_TAGS := eng optional
 LOCAL_CFLAGS = 
 LOCAL_SRC_FILES = append.c block.c decode.c encode.c extract.c handle.c output.c util.c wrapper.c basename.c strmode.c libtar_hash.c libtar_list.c dirname.c
 LOCAL_C_INCLUDES += $(LOCAL_PATH) \