Report timestamp for when decoding completed. #466

Job	Run time
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=GLFW	23m 16s
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=libretro	24m 31s
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=KHR_DISPLAY	32m 54s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=GLFW	22m 56s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=libretro	22m 37s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=KHR_DISPLAY	24m 9s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=GLFW	21m 18s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=libretro	26m 18s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=KHR_DISPLAY	25m 47s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=GLFW	19m 58s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=libretro	20m 55s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=KHR_DISPLAY	19m 43s
	4h 44m 22s

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