InCallUI: Add initial smart cover support

Change-Id: I7bd476a725efff9a3b9cfce91771750e231ea50f
Signed-off-by: Roman Birg <roman@cyngn.com>

Conflicts:
	src/com/android/incallui/InCallActivity.java
InCallUI: fix smartcover always showing  answer fragment

It seems the deleted lines were causing the issue as InCallUI properly handles logic for
showing and hiding the fragment itself.

Change-Id: I1d45b49ae48931adf48faa555296a467373e9247
Signed-off-by: Roman Birg <roman@cyngn.com>
Stats: track how frequently contact images are present incall

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: I7f52f18a53ade50e0274af633cb7c26566332ee7
MSIM: Fix fragment class names

Change-Id: Ie85f68b6f8a1bb852578872a824fdff6f1474d60
InCallUI: Minor UI cleanup for displaying sim name

Change-Id: I9f532b0c115375c435d9d5fff770202004597a98