Implement the backend for UART support.

This includes:
* the hal hooks to register UART devices.
* the UART sysfs driver.
* the UART manager.

Bug: 27898961

Change-Id: I48488b2684c9198c70a908cef3ef6c2032eb4bfe
8 files changed
tree: bed069998906d40da5d2a20eb59e9b77d11d2379
  1. client/
  2. common/
  3. daemon/
  4. example/
  5. hal/
  6. include/
  7. ipc/
  8. Android.mk
  9. MODULE_LICENSE_APACHE2
  10. NOTICE
  11. README