Add skeleton classes for hardware event flow (B1)

Bug: 5037589
Change-Id: Id8eea0e2bd00dd339a1efb4b0542e4c091a84195
8 files changed
tree: 4494582cb612456eaaa76811edbfd23602c8b7f6
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk