Add backtrace reporting to CrashUtils.

CrashUtils' addAllCrashes() now additionally returns a list of all file
names and functions in stack frames found in the backtrace section of a
crash in logcat.

Cosmetic changes are from google_java_format hook.

Bug: 201344837
Test: atest CrashUtilsTest

Change-Id: I701a4ec7ed5062bd6d3a399506e90ea7e4c6a573
3 files changed
tree: b26950ecc71c8e440199f1dac2e7e6d3a870f769
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg