Revert "Make Activites touch opaque - DO NOT MERGE"

This reverts commit 74ce78dfb4179cb317d6e2fc3cabe5f60af5d02d.

Reason for revert: re-release due to functional regression

Change-Id: I71e2e889d1f2d026f708bdb617b73a5c7c10467d
2 files changed