Simplify exit code handling in adb.py

All nonzero ADB exit codes should result in an AdbError, as long as
ignore_status==False

Bug: 159480160
Test: local
Change-Id: I3b66a1f70733725701d403631454d023ceee9ca2
3 files changed
tree: 83b8ae7e073bcdacbca131de8140d0623fb4e7f0
  1. acts/
  2. acts_tests/
  3. tools/
  4. wts-acts/
  5. Android.mk
  6. OWNERS
  7. PREUPLOAD.cfg