Improve strings and move arrays to correct place.

Change-Id: I502eb88e21fd9c609f828be69d8a747e24c0d56e
Grey out ok button instead of showing a toast.

Change-Id: Iee46c1c1715c24b672dd41259f87a5206c115563
Fix handling of unavailable network in call barring activity.

Also remove some duplicated code.

Change-Id: I98aacd8b8f99824e8b0bd71fa140a6db3e8f4f00
Remove 'cancel all' preference.

It's functionally equivalent to setting incoming and outgoing call
barring to 'Off'.

Change-Id: I18c66cd54449aeb238e4da6fb5bb52d4375383ec
Add up navigation to call barring activity.

Change-Id: I0129f28bbdec280605a31f7ad35086ec970bf8f6
Add back noise suppression.

Change-Id: I6538b7ec335ff94d5fa67748e09257c4d352f660
Return: National Data Roaming [2/3]

Credits: CM

PS 2 : Fixed Deprecated onPreferenceTreeClick
PS 3 : Trim lines length
PS 4 : Fix FC

Change-Id: I1230c8e227e787f51bea0ae3756892ab4f6e5144
CDMA: Fix APN setting crash when using CDMA SIM card.

Orginal introduce a incorrect APN activity name, so APN setting crashed.

Change from com.android.settings.ApnSettings to
com.android.settings.Settings$ApnSettingsActivity

Change-Id: Ie1e6fa6ca22cca40d0fcf0911acfade1bee7dde4