Merge pull request #9670 from ian-liu/clock/Bug869811_layout_of_mini_attention_screen_overlapping

Bug 869811 - [Clock] The alarm goes off page is broken and overlapping after attention screen switched between full/status bar mode. r=alive(cherry picked from commit ff3b6e1f3e2fa945903d94dd2ee99ec3a84f46cf)

Conflicts:

	apps/clock/style/onring.css