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Change-Id: If9692ea6f89d7e325ad4691be850506be92c7fbc
incallui: make navigation bar translucent + other fixes

* Make navigation bar translucent when available, minimizing thec bad
  effect of the black navigation bar.
* Complete change Ie76cbc53c176d94bfb2402bf50eae6161fbb2198, displaying
  the caller photo in complete full window size.
* Sync Msim layouts with normal layouts

Patchset 3: Use full translucent bars (status + navigation)
Patchset 4: Revert layouts
Patchset 5: Simplification, use transparent status bar during call
Patchset 6: Fix dialpad layout
Patchset 7: update translucency flags when hiding conference manager
Patchset 8: also make status bar translucent when dialpad is shown

Change-Id: I3a9e4e248f19b951dd6a127b6f63a0cd62047497
JIRA: CYAN-4048
Issue: https://jira.cyanogenmod.org/browse/CYAN-4048
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>