Revert "SystemUI: Always show translucent decor on recents panel"

Why aren't the flags being bitwise or-ed with the existing flags?

This reverts commit 6a935daf639afc0ad09a3d162c0a77de4f178085.

Change-Id: Ifa7983fe6329c5b427305105253fe8658c2f6b44
Merge "Revert "SystemUI: Always show translucent decor on recents panel"" into kk44