Improved data fail cause debug message am: 633bf342

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/2091791



Change-Id: I1787b354e69b0471c0c863f4e038e6446a5ccfbd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>