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02a6c7a676
Fixes https://github.com/flutter/flutter/issues/153623 Fixes https://github.com/flutter/flutter/issues/153788 * Avoids slow CPU resizer * Avoids us having to write any code at all to resize these images * Avoids reading from the GPU staging buffers that are not read cached (similar to Glyph cache performance issues). Also changes the single frame codec upload to either use the device private storage path or to defer upload until the GPU returns. This allows us to ensure that mips are always constructed and makes sure that we don't need to keep around the CPU texture reisze that depends on the Skia software backend. Separately, I updated the deferred task system to allow separate success/failure tasks to make it easier to track the final state.