Replace status bar theme change hack with a proper reinflation approach.

Now, when the theme changes we reinflate all status bar views and
reattach them.  This is an approximate simulation of the normal Activity
onDestroy/onCreate cycle that the system goes through when a config
change (in our case, a theme change) occurs.

Also reverts "Hack to update status bar service drawables on theme
change.", a478f39e

Change-Id: I374a34e97741390fd6107b96a7606f7ceb3dccb1