Add tests and missing functions for rs_allocation APIs.

This change also adds some missing support library functions:
rsAllocationCopy1DRange()
rsAllocationCopy2DRange()
rsAllocationIoSend()
rsAllocationIoReceive()

Change-Id: Ia50773d767f78f3cfa2cfdf0340d8c3d9cdb0991
diff --git a/rsRuntime.h b/rsRuntime.h
index 1d81ffb..be78245 100644
--- a/rsRuntime.h
+++ b/rsRuntime.h
@@ -109,11 +109,11 @@
 void rsrBindFont(Context *, Font *);
 void rsrFontColor(Context *, float r, float g, float b, float a);
 
+#endif
+
 void rsrAllocationIoSend(Context *, Allocation *);
 void rsrAllocationIoReceive(Context *, Allocation *);
 
-#endif
-
 //////////////////////////////////////////////////////////////////////////////
 // Time routines
 //////////////////////////////////////////////////////////////////////////////