[Impeller] Joined obligatory vulkan swapchain submits (flutter/engine#42865)
Every frame we submit to the queue a layout transition and a notify to the `acquire` fence. This joins those together into one `vkQueueSubmit` call. Thus eliminating a fence that was happening after the layout transition.
issue https://github.com/flutter/flutter/issues/128838
## testing results from the gallery driver test
```
Before:
"average_frame_build_time_millis": 1.379130952380952,
"90th_percentile_frame_build_time_millis": 1.965,
"99th_percentile_frame_build_time_millis": 20.246,
"worst_frame_build_time_millis": 29.578,
"missed_frame_build_budget_count": 7,
"average_frame_rasterizer_time_millis": 20.447408955223867,
"90th_percentile_frame_rasterizer_time_millis": 25.398,
"99th_percentile_frame_rasterizer_time_millis": 160.198,
"worst_frame_rasterizer_time_millis": 178.042,
"missed_frame_rasterizer_budget_count": 122,
"frame_count": 336,
"frame_rasterizer_count": 335,
"new_gen_gc_count": 0,
"old_gen_gc_count": 0,
"frame_build_times": [
after:
"average_frame_build_time_millis": 1.1907232876712324,
"90th_percentile_frame_build_time_millis": 1.926,
"99th_percentile_frame_build_time_millis": 16.666,
"worst_frame_build_time_millis": 27.39,
"missed_frame_build_budget_count": 5,
"average_frame_rasterizer_time_millis": 15.525100817438704,
"90th_percentile_frame_rasterizer_time_millis": 20.116,
"99th_percentile_frame_rasterizer_time_millis": 33.835,
"worst_frame_rasterizer_time_millis": 56.075,
"missed_frame_rasterizer_budget_count": 156,
"frame_count": 365,
"frame_rasterizer_count": 367,
"new_gen_gc_count": 0,
"old_gen_gc_count": 0,
```
[C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
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