Still request sync draw if the window is not in sync group

Because useBLASTSync may either use sync group or mDrawHandlers,
but only sync group will use sync transaction.

Otherwise the "t" may be the pending transaction.

Bug: 229908970
Test: Enable shell transition. Launch landscape app from portrait app.
      The screen decors should not flicker.
Change-Id: Iafdd67e2d159b70508820defe6b36356b9812081