Revert "ActiveDisplay: Introduce Rounded Image icons"

This reverts commit 2e5cca20be902de24c9b18fb53c30952d2b1d476.

Conflicts:

	packages/SystemUI/res/layout/active_display_content.xml
Other minor UI and SystemUI crashes fixing

Signed-off-by: Chintan Shah <cgintan1998@gmail.com>