Add user defined transparency to app sidebar [1/2]

Change-Id: I8ed6d96e5e4d3e93dea37ac3d6f1c25186e1034c

Conflicts:

	core/java/android/provider/Settings.java
Optimizations

Change-Id: Ia177e7b22fcc7e2096d947c7f15bf176e1d82ebd
Add user selectable size for sidebar [1/2]

Change-Id: I24d997c5b91da049c6ad84756bc544d143e2c00a

Conflicts:

	core/java/android/provider/Settings.java