tree a04345fb269ef3061564622f95343051dc04ab69
parent 6f326e95a0033eecbb7370c95ce14fa508a57448
author Mady Mellor <madym@google.com> 1437003274 -0700
committer Mady Mellor <madym@google.com> 1440181094 -0700

Refactor StylusEventHelper to provide onButtonPress/Release methods

This will enable an easier migration to the new M APIs for identifying
button presses from stylus / other tools.

Bug: 20430722
Change-Id: I41cfa6eff8d76bb83cf1bdaf6623ec1092ed554c