Don't power on radio when the device is being shut down. am: 10310622 am:...

Don't power on radio when the device is being shut down. am: 10310622 am: 01fcb06a am: 9a1f2c96

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/15868802

Change-Id: I46e5b296e6b710c121218ed9fde83beb0262deb3