Frameworks: Implement Dynamic System Bars (1/2)

This commit implements DSB. Simple as that.

Change-Id: I3bc7102b2139fd1fa3de22aac096bd2a75bde878

Conflicts:
	packages/SystemUI/res/layout/status_bar.xml
DSB: Add Separate Classes for CenterClock
they aren't supported by original commit, with this commit their KK White Color change with a Withe DSB Background

Conflicts:
	packages/SystemUI/res/layout/msim_status_bar.xml
	packages/SystemUI/res/layout/status_bar.xml
Add navbar search button into DSB

Change-Id: If19ff204dfa9a8019333b5dffd4a9c57ba3bb334
Add left and right navbar virtual buttons into DSB

Change-Id: I9e343465e5ade8b0c16a7324c541b68ca2a6acbe