storage: Don't list removed volumes in storage list

 * Don't tell apps that USB storage or empty SD slots are available for
   use. This fixes errors about trying to create dirs in vold as well
   as the relevant CTS cases.

Change-Id: Ic763d40c19b0bb9f7497cc1515baf1661d76e9ee
Restore ProfileGroup notification override functionality

Also clean up a little.

JIRA: CYAN-3164
Change-Id: I9b71a225996315f517b59d2d6f4074175bbf2d64
Modify alarm tile to show alarms when clicked

Change-Id: I76002b37dfe81c4e8973b3ef3f70fd67c26b1e4e
Revert "frameworks: Hope systemui improved battery life"

This reverts commit 625ada05c0bfdbd059e9d1916caaf4a058aae4a8.

Change-Id: I294a3cf891fcadaa56859c02e66d05d14734a217