Fix no content change if activity start from onNewIntent

 - Mobile network page can not change content to another subscription
   if this is started from onNewIntent. This is because intent is not
   udpated so current fragment still get the information from old
   Intent.

Flag: EXEMPT bug fix
Bug: 270416514
Test: Manual test passed
 - adb shell am start -a android.settings.NETWORK_OPERATOR_SETTINGS --ei android.provider.extra.SUB_ID x
Change-Id: Ib6aa9d359232ff602551e121b52894a27a84e4e1