Fix sim-eng build.

The LOCAL_PATH assignment was not available to the new host library
on simulator builds.

Change-Id: I7727f17ecc8f457f92bd6fa9ec13025dd8a56390
diff --git a/media/mtp/Android.mk b/media/mtp/Android.mk
index cb1c0d3..7502f6e 100644
--- a/media/mtp/Android.mk
+++ b/media/mtp/Android.mk
@@ -14,10 +14,10 @@
 # limitations under the License.
 #
 
-ifneq ($(TARGET_SIMULATOR),true)
-
 LOCAL_PATH:= $(call my-dir)
 
+ifneq ($(TARGET_SIMULATOR),true)
+
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES:=                                       \