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 am: 87f4a950 am: ab3e6cf2 am: f02b9949

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



Change-Id: Id4599c73f6f26a9c0e4e1ad1c466a9544e835c4a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>