Fix NPE in onDestroy.

NPE can happen when calls are canceled immediately before incallservice
has a chance to respond.

Bug:17362107
Change-Id: I6bf318f5f7d89731b686a1523678a26764fa9bf3

parent 1611c21d

telecomm/java/android/telecomm/InCallService.java

+6 −4

Original line number	Diff line number	Diff line
		@@ -165,11 +165,13 @@ public abstract class InCallService extends Service {

		@Override
		public boolean onUnbind(Intent intent) {
		if (mPhone != null) {
		Phone oldPhone = mPhone;
		mPhone = null;

		oldPhone.destroy();
		onPhoneDestroyed(oldPhone);
		}
		return false;
		}