Use bitfield type in GNSS HAL.

Test: mma

Change-Id: I92acf537a489fb06d942d3aa19ec9f40ffe26c23
diff --git a/gnss/1.0/IAGnssRilCallback.hal b/gnss/1.0/IAGnssRilCallback.hal
index 17122b2..ba29bd0 100644
--- a/gnss/1.0/IAGnssRilCallback.hal
+++ b/gnss/1.0/IAGnssRilCallback.hal
@@ -32,7 +32,7 @@
      *
      * @param setIdflag Specifies the kind of SET ID that is required by the HAL.
      */
-    requestSetIdCb(ID setIdflag);
+    requestSetIdCb(bitfield<ID> setIdflag);
 
     /*
      * The Hal uses this API to request a reference location.