Adjustments to cros_gestures for external partner use.

Relax validation to allow mix-dir manifest filenames.

Improve environment script to setup for building the untrusted bundle
using run_remote_tool.

Also avoid new conflict with hardware_Trackpad/constants by disambiguating
constants.

BUG=chromium-os:29901
TEST=ran local cros_gestures commands on test machine.

Change-Id: I3fd97c270cf9d92cca513cb4b6a5644c74d8b0f3
Reviewed-on: https://gerrit.chromium.org/gerrit/20902
Tested-by: Mike Truty <truty@chromium.org>
Commit-Ready: Mike Truty <truty@chromium.org>
Reviewed-by: Mike Truty <truty@chromium.org>
11 files changed