Fix for argument passing bug

The code was using r1 as a temp when it was live.

Change-Id: I79f42203eced2aff49980241c890629ecc3ff09a
diff --git a/build/Android.common.mk b/build/Android.common.mk
index 72d42d1..aa9b719 100644
--- a/build/Android.common.mk
+++ b/build/Android.common.mk
@@ -167,4 +167,5 @@
 	StaticLeafMethods \
 	Statics \
 	SystemMethods \
+	Invoke \
 	XandY