remove false dependency on libandroid_runtime for PDK

Change-Id: I13154749156e656efc73edd1d167d4c061de7238
diff --git a/frameworks/PlatformLibrary/jni/Android.mk b/frameworks/PlatformLibrary/jni/Android.mk
index 69d799a..0b8bc48 100644
--- a/frameworks/PlatformLibrary/jni/Android.mk
+++ b/frameworks/PlatformLibrary/jni/Android.mk
@@ -31,7 +31,6 @@
 
 # All of the shared libraries we link against.
 LOCAL_SHARED_LIBRARIES := \
-	libandroid_runtime \
 	libnativehelper \
 	libcutils \
 	libutils