TeleService : Disable network mode select when it is GSM only

Not allow to select network mode again when it is GSM only mode after
setting preferred LTE mode for CMCC.

CRs-Fixed: 653774

Change-Id: I2e4b1f0ddf5683f0acceeb447b75890170fe8517
TeleService : Fix the network mode wrong issue for ssss

mButtonEnabledNetworks is used to replace the  mButtonPreferredNetworkMode.
But mButtonEnabledNetworks is added by third party for 4G/3G, which can not
fullfill the requirement of now. Use the mButtonEnabledNetworks back, and set
the right choice for it.

CRs-Fixed: 640954

Change-Id: Ia81da435effcde5752b76e83c6d1a9750f62c17b
TeleService: Do not save an empty quick respond message

Can save the quick respond message when it is empty.

When the new quick respond message is empty, do not save it.

CRs-Fixed: 654604

Change-Id: Ifffde3c0ec2272deff5d684509620528ab503992
Fix crash when call to voicemail with no number.

Initialize dialed number to empty string if it is null,
to avoid NullPointerException in Uri.fromParts().

Change-Id: Ic4c68eaa40b2d2c23199619b15a7277e2a8e77bc
CRs-Fixed: 627677
TeleService: Remove the option menu of the restore defaults

This issue is the Android original bug, Google has delete restore defaults
function in Android 4.4, but they don't delete the menu item in quick
response settings.

Remove the option menu item of the restore defaults.

CRs-Fixed: 655895

Change-Id: I66c90f38f3e499cf8ae07b5c93f9cff8136d754d
TeleService: Return to previous activity when click back icon in Dual SIM settings

Return to the CallFeaturesSetting directly no matter
the Multi Sim is enabled or not.

Return to previous activity when the Multi Sim is enabled.

CRs-Fixed: 657329

Change-Id: Ia8bf403b81fb050be565fc2a123341bbb58db05d
Fix to mute/unmute properly while adding a call

Call setMuteInternal instead of setMute while adding
call to an existing active call.

Change-Id: I245f966c6929b5d1a92b2b7dff1f9e79e2a8d04a
CRs-Fixed: 650135
Fix issue that phone would crash when PLMN search

NetworkSetting apk is only installed on debug build, before calling it,
check it whether exists in the system; if true, use the intent of the
NetworkSetting activity instead.

Change-Id: Ib139874e5f2ffbc20ceaba4f83491f5ce0939353
CRs-Fixed: 659685
Fix crash during back to back emergency calls.

Phone process crashes with RuntimeException while
unregister receiver because the receiver is not
registered.

Move code of register receiver at onCreate() to be
sure that receiver will register when call through
bindService() and startService() both the cases.

Add null checks to avoid null pointer exception in
onDestroy() of EmergencyCallbackModeService.

Change-Id: If73bffe251b9f8f64973bcac7399a903bc2183e6
CRs-Fixed: 641312
Delay setting of active subscription

In case of MT call, delay setting of active subscription till we send
onIncoming to InCallUI. Until onIncoming comes, there is no MT call
in IncallUI call map, hence active sub shouldn't be set much earlier than
sending onIncoming() in order to avoid timing issues.

Change-Id: I7a6ff5bed017d51e540f207093565310e6e9e511
CRs-Fixed: 655859
TeleService: Update mute state accordingly after adding call

The mute state of sub1 that is stored in the mute table isn't restored to
the previous state when the second call(on sub2) is connected.

Restore the mute state for sub1 in CallButtonPresenter#refreshMuteState().

CRs-Fixed: 660470

Change-Id: Id9e0bf9c7e41ccb7cf210f8adfa0938ead650f74
Fix FC when phone type switched from GSM to CDMA.

Don't set the view as null after it is removed, otherwise
it would cause exception when trying to update it.

Change-Id: I62aeef7796cd197d7ebc61b290ed48924f5905f1