Merge "Store ANR traces in internal directory" am: 75dbd5e96c am: d4f4edcbda am: 0fadd9c98c

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7e4230e2ec11a7da4e0bc3a5829bd4eccb4d9325