[Settings] Avoid non-owner from crash mobile data settings

Some instance not been initialized under non-owner user mode.

Bug: 146562321
Test: manual
Change-Id: I4f8ac955754cbd8692727a1d0adf283ef3ff512c

parent 634044dc

src/com/android/settings/network/telephony/MobileNetworkActivity.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -118,6 +118,9 @@ public class MobileNetworkActivity extends SettingsBaseActivity
		@Override
		protected void onDestroy() {
		super.onDestroy();
		if (mProxySubscriptionMgr == null) {
		return;
		}
		mProxySubscriptionMgr.removeActiveSubscriptionsListener(this);
		}