Add CM Legal (2 of 2)

New settings activity for CM Legal info. Needs vendor/cm piece.

PS2: Manual Rebase

Change-Id: I6238afe23f957a571d29c186447b455ecb7a186e
Settings: Add missing up navigation in menus

Squashed forward port from cm-10.2

Change-Id: Ia9d51b53df8a3eb4c1b9dee1aeefb0b74eac0fde
Add option for switching between UMS and MTP/PTP mode. (2/2)

This adds support for switching between UMS and MTP/PTP.
Settings part (this part) adds option in USB settings (statusbar/notification drawer) for enabling UMS,
and adds setting in Storage menu to enable / disable UMS, this since the USB settings page disappears when enabling UMS.

Forward port from cm-10.2, adjusted for 4.4

Change-Id: I6cf50a41a9a82e40e702f5231ce663636c149613
Merge "Settings: Add missing up navigation in menus" into cm-11.0
Merge "Add option for switching between UMS and MTP/PTP mode. (2/2)" into cm-11.0
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_packages_apps_Settings into CyanogenMod-cm-11.0

Conflicts:
	res/values/cm_strings.xml

	modified:   AndroidManifest.xml
	modified:   res/values/cm_strings.xml
	modified:   res/xml/device_info_settings.xml
	modified:   res/xml/usb_settings.xml
	new file:   src/com/android/settings/SettingsCMLicenseActivity.java
	modified:   src/com/android/settings/deviceinfo/Memory.java
	modified:   src/com/android/settings/deviceinfo/UsbSettings.java