[automerger skipped] Merge "Revert "Use TelephonyManager#isEmergencyNumber() instead"" am: a281046577 am: d2eb366490 am: cef53cebae -s ours am skip reason: Merged-In I7eca63e80394ed606a61bfc3a60b5f068e6192ca with SHA-1 524867d42f is already in history. Merged-In was found from reverted change. Reverted change: https://android-review.googlesource.com/c/platform/external/ims/+/1453740 Original change: https://android-review.googlesource.com/c/platform/external/ims/+/1702032 Change-Id: I2d74562804fb38db1cb6caf87a486f9547b7ab9a