fix remaining blue dialog dividers

Change-Id: I0b4d2d0706f3393933e40d9c70b62aa3c9b68ed5
services: don't clear wallpaper when SystemUI
disconnects.

When we restart SystemUI (or the user), sometimes
the wallpaper would get cleared. This patch just
captures its originating component and
if that is our SystemUI component, ignore the event.

Change-Id: I3e159dc2c013e7d7e552e3c0cef55e3ab970ca87
Signed-off-by: Roman Birg <romanbirg@gmail.com>
Revert "framework/base: get proper obb mountpoint based on user handle"

This reverts commit 9f89faafd6b3c85e33db67c1882c0237e6a5b8af.