Add setPackage for PendingIntent in SliceHelper

Bug: 151645867
Bug: 151646375
Test: make RunSettingsRoboTests ROBOTEST_FILTER=WifiCallingSliceHelperTest
      make RunSettingsRoboTests ROBOTEST_FILTER=Enhanced4gLteSliceHelperTest
Change-Id: I33c1333f9b5472cdb962b272f6be52a2d2959376
Merged-In: I33c1333f9b5472cdb962b272f6be52a2d2959376
4 files changed