Merge "Optimize stack trace reporting puller for speed." into rvc-dev am:...

Merge "Optimize stack trace reporting puller for speed." into rvc-dev am: 067595c4 am: 26e8f06c am: 52ff25e3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11675584

Change-Id: I9ed170f23dcfe38600f65d31d58e69f0221d1961