Merge "[Metrics] check if mSipMessage is null when sendmessage invalid" into main am: f537a087c3

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/2923871

Change-Id: Id6ebb8bdc6d93d86b72b15f77551f042e4445027
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>