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
Merge branch 'cm-11.0' into kk_mkt

Conflicts:
	src/com/android/dialer/DialtactsActivity.java
	src/com/android/dialer/cmstats/DialerStats.java
	src/com/android/dialer/dialpad/DialpadFragment.java

Change-Id: Ic3559ac55e3f0cc6a689d080c536865d98a78a1e
Revert "Add to dialer stats: track actions in the dialer to actually initiate a call"

This reverts commit cf28e0cd1f1614a7fcfbb50abac736b0ad550523.

Conflicts:
	src/com/android/dialer/DialtactsActivity.java
	src/com/android/dialer/cmstats/DialerStats.java
	src/com/android/dialer/dialpad/DialpadFragment.java

Change-Id: I4baaa2623c68e6edfa0f7d29979926295f8659b4