Fix kotlin nullable errors in IntentResolver am: b12fe0a69e am: a0c4477fdb am: bd6309610b am: 2c21992b87 am: 6370555843

Original change: https://android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/2696253

Change-Id: Idc592fac0df42c3353c423741edfa4d506568c84
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>