Begin implementing SimpleMesh and fix some bugs with refcounting and java object destruction tracking.
diff --git a/libs/rs/Android.mk b/libs/rs/Android.mk
index 375cf6c..3234f39 100644
--- a/libs/rs/Android.mk
+++ b/libs/rs/Android.mk
@@ -99,6 +99,7 @@
 	rsScript.cpp \
 	rsScriptC.cpp \
 	rsScriptC_Lib.cpp \
+	rsSimpleMesh.cpp \
 	rsThreadIO.cpp \
 	rsType.cpp \
 	rsTriangleMesh.cpp