InCallUI : add RECORD_AUDIO permission statement

Add RECORD_AUDIO permission statement in manifest,
to request use recording function.

Change-Id: I262fdd63653a9bc2bc7a7eedc205f4598aec2b77
Dialer app changes for IMS

IMS Conference URI UI changes
1. Add a new button for initiating conference
URI call in the Dial screen.
2. Send a intent for the conference call with a
extra to indicate the call type as conference.

Change-Id: If78c82bec2d583f9012ea2e824589a6099f76a94
CRs-Fixed: 713839
IMS: Add participant support

Insert "add_participant" extra
to dial intent.

Change-Id: I42fa59d35ab5027500aea460dd8dc077d6bcf952
CRs-Fixed: 720697
Dialer(MSIM): Dialer app support for multisim

-Add support to handle the following commands/request on
 voice preferred subscription for multisim
 1) ADN entry MMI commands.
 2) Voicemail dial request.
 3) PIN/PUK MMI commands.

-Add voice mail subscription prompt for multisim:
 When prompt option is enabled in MultiSIM settings,
 check for the voicemail number on all subs and allow
 voice mail request if at least one sub has voice mail
 number associated with it.

CRs-Fixed: 718068

Conflicts:
src/com/android/dialer/SpecialCharSequenceMgr.java
Change-Id: I9a65978ec9d6b4deba94082e2892030aca620f25