Speedup DropBox Service

*Needs Drobpox Intergrate Upload and Download Tests

Change-Id: Ic6f812120ee0a08ef2abe933397e3d2873e6c4a6
Increase wallpaper crashtime

Change-Id: Id640ca2b7b889e718c9f5acb71da97c5f3dbbc05
Increase Unlock Gesture Lock interval

*Decrease the time the wrong gesture is done
so that it gives a slight privacy

PS2: Decrease in Pattern too

Change-Id: I815814bdca5861edbbc6783172853b1c5063b494
Increased Compression Quality for Wallpaper Cropper

Change-Id: I9688bd4887af381a8eb61f56a403b35730851ea8

Conflicts:
	packages/WallpaperCropper/src/com/android/wallpapercropper/WallpaperCropActivity.java
Increased the amount of document visible in Recent Documents

* Visible upto 100 recent documents
Change-Id: I4c1f921f85b7afa995db690c9d829a8d961b0437
SystemUI: Alpha tuning in recents

* Equalized the Alpha's in Constants
* Reduced Fade in and Fade outs at 1/5

Change-Id: I834b50fe5ab4a4cbd527f36346f61bf2d27203e2