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: I5f9ff2e817ef441f203d8796cca2c0c35a1cf557