Revert "Pie: Fix navigation icon hints being cleared on reorientation"

Not recreating every time causes a regression of the hold pie while rotating bug

This reverts commit 148de1e8b7756a01e0d7f3353756fcb49860ba62.

Change-Id: I8dd2b22f257e66586fda018f7a90cfbcc982ba03
PIE: Add themeable colors support

Move colors to xml resources.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Conflicts:
	packages/SystemUI/res/values/pa_colors.xml
Themes: Theme IME switcher alert dialog

Change-Id: I5344e9ddbacb1520080532d9cc1a7a5f5428e131
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
Pie: Fix Pie positioning when PIE_ALWAYS_AT_RIGHT

Locking Pie to a single physical side of the screen makes perfect
sense when it's done on the short side of the screen (bottom in
portrait) as then Pie is more easily swipeable in at all times, but
a user might instead prefer being able to quickly swipe in from the
right or left hand side in portrait which becomes cumbersome when the
device is turned to landscape as the user is then forced to reach to
the middle of the long side of the screen which becomes located at
the bottom making it harder to access Pie.

The PIE_ALWAYS_AT_RIGHT value should be used to solve this issue
by forcing Pie to relocate itself to the right hand side just
like with the stock navigation bar.

Change-Id: I9b4dd3cee3fa7d85194389640dcedc02fa522530

Conflicts:
	packages/SystemUI/res/values-sw600dp/config.xml