SystemUI: make alarm text selector less blocky

It now matches the rest of the selectable items in the expanded header.
None of them had these boundries and neither should this.

Change-Id: I92041ee685a0c16f80c003658abbfd0a6143c07c
Signed-off-by: Roman Birg <roman@cyngn.com>
SystemUI: Add missing recycle calls

Change-Id: I6e5346d9f423350e643d696299136799b78cdd28
DocumentsUI: Fix download status was displayed incompletely

The layout arrangement of date, size and summary are unreasonable.
Text was ellipsized when summary has too much characters.

Reconfigure "layout_weight" of date, size and summary can fix this
issue.

CRs-Fixed: 619201

Change-Id: Ic2db20a303dd1db7e2d3375e4b733d704daf393b