[automerger skipped] Merge "Shift stringslint to using python3." am:...

[automerger skipped] Merge "Shift stringslint to using python3." am: 785a55ff am: ac6c4416 am: dfa03a29 -s ours

am skip reason: Change-Id I354ef4b12c75505a069fdf657ab98a9b122785c7 with SHA-1 85ccd041 is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1557450

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I484d38307880a227eec1a4ea9e4a94b5a9b06e87