Merge "HFP: in ongoing call, pretend network service availability in +CIND...

Merge "HFP: in ongoing call, pretend network service availability in +CIND response when network is unavailable" into main am: 6b559a3f am: cb591521

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2887426



Change-Id: I17f7bfd411e1301d88dc949640efd9e6fc061fa4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>