Merge "Store ANR traces in internal directory" am: 75dbd5e96c am: d4f4edcbda

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1592374

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ia46bf00f542c9ddfdbaa65f2a15d5d361d1996a9