Revert "Revert "Revert "remove recents memory indicator from settings(2/2)"""

This reverts commit bcd3b7a88a7e411e5686564cabafce7bcb1eb2d7.

Change-Id: I53674326a5c45c5c805402b30856f609377c5ea6
Merge "Revert "Revert "Revert "remove recents memory indicator from settings(2/2)"""" into android-4.4