Merge "Remove redundant logging and message sending when Radio is null" into rvc-dev am: cd87321d am: 6cef0759

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/11855086

Change-Id: Ifa65a38ab65a9e6cacfa6d6704a3ce0f0dc266e9