Fix bpttool bug that prevents disabling A/B through stacking

Bug: None
Test: Added new unit test + verified all unit tests passing.
Change-Id: Ia80d0f141d73dabe596ab057070e02cef0d91504
4 files changed
tree: 4485fabb1177735403fa11d9d69539aaefb97fa7
  1. Android.mk
  2. README
  3. bpt_test
  4. bpt_unittest.py
  5. bpttool
  6. test/