[automerger skipped] btif_hf: Fix NULL phone number am: dd4388a9 -s ours am:...

[automerger skipped] btif_hf: Fix NULL phone number am: dd4388a9 -s ours am: 37d171da -s ours am: af54d44e -s ours am: e4e17789 -s ours

am skip reason: Merged-In I2be64c3db39e35ff4b31de4714634e77670338c3 with SHA-1 e86f9d26 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/18287391



Change-Id: Ic22dc435e0a3564fce794d7b797093a1682f0126
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>