[3/3] frameworks/base: National Data Roaming

Credits: CyanogenMod

Linked commits:
        opt/telephony: https://gerrit.paranoidandroid.co/#/c/3655/
        services/Telephony: https://gerrit.paranoidandroid.co/#/c/3656/

Change-Id: I0280d516067e1ef50f7321355cbee42009657d7e

Conflicts:

	core/java/android/provider/Settings.java
[1/3]Quiet Hours

based on cm && based on Omni's adaptation

PS3: Whitespace fixups
PS4: fix imports for QHHelper
PS5: We don't have battery LED enabled

Signed-off-by: Andre Saddler <dresadd09691@gmail.com>
Change-Id: I38e8560297099629aed94ee001da7f1ebaa04dac