Revert "Make status bar translucent. Make drawer appera below status bar."

This reverts commit 4639136c3b4bc22064323a193f06d6585e1a171a.
The commit breaks the following CTS tests.

 * android.appsecurity.cts.DocumentsTest#testCreateExisting FAIL
 * android.appsecurity.cts.DocumentsTest#testCreateNew FAIL

BUG=27805363,27570567

Change-Id: Ic9f1d98714a78afe548eb5ae9afa118ddc83cccc
4 files changed