audio: Set slient persist property according to ringer mode

Update the persist.sys.silent property when setting ringer mode.
This property could be used by the native layer application.
Example:
Bootanimation could check this property to decide whether
background music is needed.

Change-Id: I64311fcac9d4c3729b38fc2b597dc478d6de4d7c
AudioService: add STREAM_DTMF to stream affected by ringer mode

-STREAM_DTMF volume muted when phone in vibration or silence
 mode but will not restore when back to normal mode by setting
 STREAM_RING volume to 1
-Add STREAM_DTMF to the list of stream volume affected by ringer
 mode

Change-Id: Ib91d6b2c09e10b5cd86ae192cf334c69884da294
CRs-Fixed: 549908
NumberPicker: Don't filter Bengali-Indic characters

Add Bengalese digit characters to the digit characters list of
NumberPicker.

CRs-Fixed: 530201

Change-Id: I32445660c2c2a451c71f5a235ee71ae906660f12
NumberPicker: Don't filter Devanagari-Indic characters

Add Devanagari digit characters to the digit characters list of
NumberPicker.

CRs-fixed: 530201

Change-Id: I0f5b273679e3f0bb478c8a6f0609b1bb8a0fac11
Adjust the index of the ArrayList during iteration

Decrement the index when an element is deleted during
iteration to avoid the index going out of bounds and also
some elements getting skipped.

Change-Id: Ie4a57e02d684d598cd971c4ce6866579b65345d3
CRs-Fixed: 613390
Show owner info creation if no owner is set for UserTile

Change-Id: I43575946023676a1b75b67e1ae1996a0a3a35b88
Show default profile name if no profile exists

Change-Id: I6b651d6b552ab3caf30102d289469eaf68f58a0e
UserTile : Check if profile has a photo

In the event that the profile doesn't have a photo, don't default to the
user's photo, instead show a default avatar.

Change-Id: I80de324ae1e151693cf3716bf87d39a16096ca12
MediaRecorder: Add pause interface

- add pause in java level
- add pause in jni level

Change-Id: I19372d496870f3729aa28464326995a71aa72299
CRs-Fixed: 587051
Add 2 APIs (suspend/resume) in MediaPlayer

- API:suspend() will just pause the player and release all the decoders
  to replace release() which will release the whole player
- API:resume() will just init the decoders again,
  then start() will be called to start to play the streaming

Change-Id: I3e2ffeb50dfe6d156b18416fa8964ff4a3d56a2c
VideoView: Implement the suspend/resume operation in VideoView

- To use the new APIs (suspend/resume) of MediaPlayer
- Add a new status "SUSPENDED"

Change-Id: I7a829b116e5df698fd4b0a5708f06927571d198c