Fixed another out of boundary exception in data retry manager am: e75c2588 am: 4ce658aa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/17776097



Change-Id: I9522879b605cab4ada6d92be7c3f23ae271da9d2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>