Craig Mautner 44bf70fba2 Set the reason for screen-off before usage.
An occasional call sequence through updateLightsLocked ended up storing
the old screen-off reason rather than the current screen-off reason.
This caused the Keyguard screen to be bypassed when turning back on. By
saving the power-off reason in mScreenOffReason prior to calling
updateLightsLocked we eliminate this problem.

The offending calling sequence was:
  PowerManagerService.setPowerState(..., reason) => updateLightsLocked
  => animateTo => screenOffFinishedAminatingLocked(mScreenOffReason)
  => sendNotificationLocked.

Change-Id: I8ee0b3226f94af7ff7e7b7b0bf54e47fd0c03631
2012-03-13 11:38:38 -07:00
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