Temporary checkin of adlr's work on the touchpad.

When he is back from his vacation, he will clean this code up and
submit for a proper review. When it goes in, this experimental branch
will be deleted.

Sorry for any confusion this may have caused.

-adlr

Change-Id: I8c1657bc87df012c03b463bc5f6485a46f75ded7
18 files changed