Add to dialer stats: track actions in the dialer to actually initiate a call

For retail devices (and installer builds), introduce tags to be read
by a separate, additional, package.

This will not be read or collected in any community (nightly/M/etc) or
self-built build.

Change-Id: Ie0069234589c8d12efd7a98b1dc584d4b0cbbbb7
[3/3] Base: Incoming Call in Background
[2/2] Dialer: Disable Statusbar and Navbar during call by Proximity Sensor
Revert "Chinese Location Lookup [1/2] Dialer: Chinese Reverse Lookup"

This reverts commit 6605b6292df97b66785a06927d7bcd28c217d121.
[1/3] Dialer: Add Google Reverse Lookup
Dialer: Support 4.4.3
Dialer: Fix letters width
Dialer: T9: Fix country priority over language
Dialer: Enable Call Recording