[automerger skipped] Merge "Revert "Use TelephonyManager#isEmergencyNumber()...

[automerger skipped] Merge "Revert "Use TelephonyManager#isEmergencyNumber() instead"" am: 99557526 am: f50a479c am: 3dc09e76 -s ours am: b291cbbf -s ours

am skip reason: Merged-In I5df03a61f55f863e17594aa3239433a5048a4890 with SHA-1 839508ee is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1702033

Change-Id: Id9a121b9ca47853ef29fcf4299c283454e57af44