SystemUI: Screenshot Toggle

onClick: Screenshot now(collpase status bar)
onLongClick: Starts 'timer' and screenshot after timer expires

PS2: Remove rebootmenu calls from PWM and add 500ms delay to allow statusbar to
         fully collapse

PS3,4: Redependcize commits
PS5: Secure Screenshot
PS6: Resolved conflicts
PS8: Respect RC delay setting & fix drawable padding
PS9: Removed to-do
PS10: collapseStatusBar() for longclick and added toast
PS11: reduce toast length to avoid capturing it. also make it translatable

Signed-off-by: bmc08gt <bmc08gt.teamb00sted@gmail.com>
Change-Id: I2cebb23e530a92901319b7171c3934125568c3ab

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/values/strings.xml
	packages/SystemUI/res/values/strings_toggles.xml
	packages/SystemUI/src/com/android/systemui/statusbar/toggles/ToggleManager.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
NavRing: fix icon size

This will add some icon resizing if the app icon is
bigger than the standard icon for the divice density.

Formatting.

Change-Id: I1a816eccd3c77158a0c9c7631c3a7334b4fb3c24
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>