Add Connection.setAudioModeIsVoip

This API will be used by Telecomm to set the call's audio mode.

Change-Id: I29028e614c598d1f2501c4dfdcdbfc929b09f925

telecomm/java/android/telecomm/ConnectionServiceAdapter.java

@@ -320,6 +320,21 @@ final class ConnectionServiceAdapter implements DeathRecipient {
         }
     }
 
+    /**
+     * Requests that the framework use VOIP audio mode for this connection.
+     *
+     * @param callId The unique ID of the call to set with the given call video provider.
+     * @param isVoip True if the audio mode is VOIP.
+     */
+    void setAudioModeIsVoip(String callId, boolean isVoip) {
+        for (IConnectionServiceAdapter adapter : mAdapters) {
+            try {
+                adapter.setAudioModeIsVoip(callId, isVoip);
+            } catch (RemoteException e) {
+            }
+        }
+    }
+
     /**
     * Set the features associated with the given call.
     * Features are defined in {@link android.telecomm.CallFeatures} and are passed in as a