Merge "Attempt to fix updateImeParent transaction synchronized issue" into sc-v2-dev

        final SurfaceControl newParent = computeImeParent();

        if (newParent != null && newParent != mInputMethodSurfaceParent) {

            mInputMethodSurfaceParent = newParent;

            getPendingTransaction().reparent(mImeWindowsContainer.mSurfaceControl, newParent);

            getSyncTransaction().reparent(mImeWindowsContainer.mSurfaceControl, newParent);

            // When surface parent is removed, the relative layer will also be removed. We need to

            // do a force update to make sure there is a layer set for the new parent.

            assignRelativeLayerForIme(getPendingTransaction(), true /* forceUpdate */);

            assignRelativeLayerForIme(getSyncTransaction(), true /* forceUpdate */);

            scheduleAnimation();

        }

    }