[automerger skipped] Merge "[Telephony] checking if the delegate is null before calling." am: 04d04ca8 am: 548c9b5e am: 218437e9 am: 99fb676c am: ad47a7d0 -s ours

am skip reason: Merged-In I72a2df60f706eace549be24795ea679899611513 with SHA-1 c2a37036 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2015035

Change-Id: I327753fd12c259ca8ea7b124d2706bb599e87561