New LS clock is positioned a min distance from top

So that any display cutouts won't obscure the KeyguardStatusView (ie:
clock, smart space, etc.)

Test: atest KeyguardClockPositionAlgorithmTest
Test: manual
  adb shell 'date 010101002019.00 ; am broadcast -a android.intent.action.TIME_SET'
  adb shell 'date 010105302019.00 ; am broadcast -a android.intent.action.TIME_SET'
Fixes: 176872576
Change-Id: Ia5748ed2e324f319fb8b9114d2fe69113e0d8663
3 files changed