Add option to change timer alert sound

The default alert sound is sometimes quite annoying
PS1: Rebase and save the last picked value as default
PS6: WS fixes

Change-Id: I239e0d56a1562ba2c0fbff92fdf907d1147fb402
DeskClock: add missing landscape view

This was causing a crash on rotation.

Change-Id: I21260445cfeed20d818d6d8c29c11be95bf23f2d
Signed-off-by: Roman Birg <roman@cyngn.com>
Fix error with invalid default uris

An invalid default uri resulted in an infinite loop:
alarm.alert is invalid -> set to default uri -> invalid again -> set again

Also the default alarm was removed, so using that is not an option

Change-Id: Ibc3cee6dd440b1dd8d260b27101595509f5155b1
Merge branch 'cm-11.0' into stable/cm-11.0