Use AlarmManager calls to set date/time, instead of SystemClock.setTime

This way secondary users' settings app can request the system server to
set the time. Alarm driver cannot be opened as a secondary user.

Bug: 7459635
Change-Id: I1ae1630dc448021d35280a297c5d9960f8e8fc2e

src/com/android/settings/DateTimeSettingsSetupWizard.java

@@ -188,9 +188,9 @@ public class DateTimeSettingsSetupWizard extends Activity
                 Settings.Global.putInt(getContentResolver(), Settings.Global.AUTO_TIME,
                       mAutoDateTimeButton.isChecked() ? 1 : 0);
                 if (!mAutoDateTimeButton.isChecked()) {
-                    DateTimeSettings.setDate(mDatePicker.getYear(), mDatePicker.getMonth(),
+                    DateTimeSettings.setDate(this, mDatePicker.getYear(), mDatePicker.getMonth(),
                             mDatePicker.getDayOfMonth());
-                    DateTimeSettings.setTime(
+                    DateTimeSettings.setTime(this,
                             mTimePicker.getCurrentHour(), mTimePicker.getCurrentMinute());
                 }
             }