Merge "Fix empty signal strength bar shows after turning radio on" am:...

Merge "Fix empty signal strength bar shows after turning radio on" am: d217974c am: 125614a0 am: 5d35e7a1 am: 82795500

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/1550235

Change-Id: Ic66f56e7e966c3c5a88bd8e27186ba1c7bb38d0d