Fix NPE if high touch sensitivity is not supported.

Change-Id: Ic51edf500e4c89102beb52b8d69f1066d2406a42
JIRA: BUGDUMP-16237
settings: check if ime switcher pref was remove previously

This could happend in tablet devices

JIRA: BUGDUMP-20712
https://jira.cyanogenmod.org/browse/BUGDUMP-20712
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Change-Id: I85c1d6e56f85e3220311aabc68d6532d6ffdf59f
quiethours: refresh TimeRangePreference preference on resume

JIRA: CYAN-5223
https://jira.cyanogenmod.org/browse/CYAN-5223
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Change-Id: Ia06a21aad36e757c0ed89ac81305f9b531f811fd
Settings: Alert user when they attempt to add an invalid number to BL.

  - BlacklistProvider will reject numbers that aren't valid, silently. So instead of
  resuming to a blank screen, we should alert the user that the number they attempted to
  add is invalid by utilizing BlacklistUtils#addOrUpdate method.

Change-Id: I1ca32427baad41c1c9379e18046e6ca7937b6d32
settings: prevent NPE if device doesn't support ActionBar

If the device FEATURE_ACTION_BAR (the device hasn't it enabled or a theme has disabled it), getActionBar()
will return a null reference. Just prevent to use that invalid ref.

JIRA: BUGDUMP-23210
https://jira.cyanogenmod.org/browse/BUGDUMP-23210
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Change-Id: I210867b10193471c49e444c27c47e9de6baee822
Use actual storage type of sdcard/usb (2/2)