Merge "Fix unreadable debug message in cell identity" into rvc-dev am: 11ce6826b7 am: 4f4d40939f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11843145

Change-Id: If11a0bf5ceb3fae6fcfffbb44f57788eb3ee394e