SystemUI: Fix the right clock's gravity

            android:singleLine="true"

            android:paddingStart="@dimen/status_bar_clock_starting_padding"

            android:paddingEnd="@dimen/status_bar_clock_end_padding"

            android:gravity="center_vertical|start"

            android:gravity="center_vertical"

            android:visibility="gone"

            systemui:isStatusBar="true"

        />