Revert "Active display: Don't show active display if call state is not idle"

This reverts commit 1418c4c911c133c097493799f67167afaefd1337.
Revert "AppBar fixes"

This reverts commit cbf023b2b8b8a623a108b61253da7c0769e7e5f4.
Revert "More Active Display stuff"

This reverts commit abc248bad2c0153ccac6bad787029bf71bbe1bee.

Conflicts:

	packages/SystemUI/src/com/android/systemui/statusbar/policy/activedisplay/ActiveDisplayView.java

Change-Id: I38b474888392a68adb25fe05208e605177af6f1b
Revert "FW: Active Display [1/2] + AppBar fixes"

This reverts commit dcb81acde1fe5733cf47fc4ab72b18f37e27de70.

Change-Id: I83bd0eaa80a928b861c61a1c47a3f350d4867629