Merge "Bug fix of bandwidth estimator overflow" into tm-qpr-dev am: 138bc9a6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/19310634



Change-Id: Ida0e666f38271392dea9f14d2d4ed5f12e96c2db
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>