[audio] Correct portMuteEvent oneway

This method should be oneway equivalent to the method it was migrating.

Mark it as such.

Test: compiles
Bug: 376481063
Flag: EXEMPT bugfix
Change-Id: I4e4d67bcd09bf915ea039bd040b2c68f77645776

parent 4dba248e

aidl/android/media/IAudioManagerNative.aidl

+1 −1

Original line number	Diff line number	Diff line
		@@ -51,5 +51,5 @@ interface IAudioManagerNative {
		* @param portId Port id to update
		* @param event the mute event containing info about the mute
		*/
		void portMuteEvent(in int portId, in int event);
		oneway void portMuteEvent(in int portId, in int event);
		}