Clear All button added in  Recent Panelview.

Ref: https://github.com/temasek/android_frameworks_base/commit/a129580ee886b48c124de716236c2bae2b93a77b

PS3: capability to show/hide based on setting added

Change-Id: Iab4db7abec6f8caee4c0faad0960fa0f9fb9a1fd
PS6: capability to change button layout_gravity

Conflicts:

	core/java/android/provider/Settings.java
	packages/SystemUI/res/layout-land/status_bar_recent_panel.xml
	packages/SystemUI/res/layout/status_bar_recent_panel.xml
	packages/SystemUI/src/com/android/systemui/recent/RecentsHorizontalScrollView.java
	packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
	packages/SystemUI/src/com/android/systemui/recent/RecentsVerticalScrollView.java
Add a circlular memory indicator to the recent panel view (1/2)

Originally picked from Chameleon OS
http://goo.gl/vgL71x

Modifications:
It allows to be toggled on/off as well as setting a custom location.

Colors are not solid, they have an alpha channel to provide
transparency, this way it doesnt interfer much with the recents
panel view.

Screenshot:
http://goo.gl/Th7g0j

OmniGears Part:
https://gerrit.omnirom.org/#/c/3057/

Change-Id: I07999d476a16d24ddf9c6de441ae646887da8074

Conflicts:

	core/java/android/provider/Settings.java
	packages/SystemUI/res/layout-land/status_bar_recent_panel.xml
SystemUI/recents_panel: switch back to orignal clear all icon

also fix a derp from the last commit
[1/2] Base: Change of default stream type controlled by volume rocker capabilities

PS2: first attempt to include empty default mode

PS11: none default value working

PS18: cleanup, change of by default altered stream to STREAM_RING at phones

OmniGears: https://gerrit.omnirom.org/#/c/2376/
Change-Id: I78d26b0bd41f5b58514ae9c68208a8c950396823

Conflicts:

	media/java/android/media/AudioManager.java
	media/java/android/media/AudioService.java
Revert "Fix Build: Add needed @hide to some fields and methods"

This reverts commit 135a387bc9ef77ee87666520ddde9896bd1bea39.
Revert "[3/3] AudioEffect: Add a stereo widener effect"

This reverts commit 29b9dae7a823200d53d9b0f318ae1a5a6b56aa4a.
Revert "[3/3] AudioFX: Add center frequency param to bassboost"

This reverts commit 4c7ae3d243bb963ce70c1075ce138cd60e2668f5.