arc: bluetooth: Implement Gatt notify
This patch does the following
- Implement the notification to arc bridge when remote
Gatt characteristic value changed.
- Make Android request for writing to CCC Descriptor does
nothing because Chrome bundle that to register/deregister
for notification.
BUG=b:28250518
TEST=Test battery notification with Pixel C Keyboard
Signed-off-by: Puthikorn Voravootivat <puthik@google.com>
Review-Url: https://codereview.chromium.org/2085083002
Cr-Commit-Position: refs/heads/master@{#402331}
3 files changed