Merge "Fix possible num format exception when logging bubble stack position"...

Merge "Fix possible num format exception when logging bubble stack position" into udc-dev am: 4c897660

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22973207



Change-Id: Ida124da89a3fc7ce8a544785975365d2b4db3a4c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>