Add Quick Settings USB Tether tile (2 of 2)

Patch Set 8: Make tile dynamic

- Thanks to Björn Lundén for the drawables

Change-Id: I414848f6cb8a789d0b5edfcb79ab53cb85ebc20e
Changed USB page icon from Android to Cid

Change-Id: I57386c2d555723adad99cafe8ae6d2e8f6fe8cbd
Set QS panel opening to outer 15% of statusbar

Prevent accidental opening of QS panel in stead of notification bar

Change-Id: Ibe5f6504333af2ce124be1efbd463fb56a51c2dd
Option to enable gfx effects (Framework)

Based on original commit by kladd

Change-Id: Icf1ea2dc952ccb9c2e8fafd237e80a671bd467f7
SystemUI: always use transparent notification shade

Devices with less than 512MB of memory have a solid
black notification shade. Remove the isHighEndGfx()
check to force a transparent notification shade on
all devices.

Change-Id: I9a68a2a8b0d36685f8899f3bbed43bb6bccb47b1
Allow purging of asset bitmaps

It seems that neither CM9 nor CM10.x includes the actual framework-side
code to facilitate user-controllable bitmap purging. Odd, since the
CyanogenMod Settings app in both CM9/CM10.x includes the option.

Backported from original Gingerbread commit:
http://review.cyanogenmod.org/#/c/3908

Original description:

Allow the system to reclaim more free RAM when needed on 'low' memory devices
(e.g. Droid/Milestone) that are struggling with 2.3. This option enabled
efectively restores the froyo way of forcePurgeable BitmapFactory asset
handling.

Change-Id: I6a3b8a05b7be9c214a8548d6c6d1621e6533a1e0
Mms auto-retrieval (1/3): framework

Change-Id: I9b2f76d8cf9d67eddddfdf7737a948eea680329f

It's only porting this http://review.cyanogenmod.org/#/c/26166/
Part 1 of 3
installd: Delete cache properly for devices using datadata partition

The java side already checks /data/data for free space but installd
still checks /data causing it to never reap the cache (because it
thinks that enough free space is available.)

Change-Id: I736af6ff7ea0c8ae07900168f6b8ac2f7a4dbe0b
A tiny optimalization

Change-Id: Ib2cb773ffe5cb579c2b46bd0e6a5a3f2c55d190d