Add 64bit large object support

Add HAL hooks for filling in LO fields.

Change-Id: Ib9bdee714a062de519d2a9708c1016404a1b11a4

Conflicts:
	driver/rsdBcc.cpp
	driver/rsdCore.cpp
	rsAllocation.h
	rs_hal.h
diff --git a/rsContext.cpp b/rsContext.cpp
index 9af9f6e..d3d8349 100644
--- a/rsContext.cpp
+++ b/rsContext.cpp
@@ -890,7 +890,7 @@
 }
 
 void rsi_ContextDestroy(Context *rsc) {
-    //ALOGV("%p rsContextDestroy", rsc);
+    //ALOGE("%p rsContextDestroy", rsc);
     rsContextDestroyWorker(rsc);
     delete rsc;
     //ALOGV("%p rsContextDestroy done", rsc);