Fix clean mma in bionic

Change-Id: If2410c5ff9c08372098e5ec831e33e4da0e04b30
diff --git a/tools/relocation_packer/Android.mk b/tools/relocation_packer/Android.mk
index 80208ec..9905657 100644
--- a/tools/relocation_packer/Android.mk
+++ b/tools/relocation_packer/Android.mk
@@ -14,6 +14,8 @@
 # limitations under the License.
 #
 
+LOCAL_PATH := $(call my-dir)
+
 ifeq ($(HOST_OS),linux)
 
 # $(1) library name