Merge fdk-aac 'v2.0.3' into dabplus2 #1

Job	Run time
linux-autotools	1m 29s
linux-cmake	1m 2s
linux-sanitizers-clang-cmake	1m 48s
linux-ffmpeg	5m 27s
linux-sanitizers-gcc-autotools	3m 12s
llvm-mingw	1m 5s
macos-autotools	1m 54s
macos-cmake	2m 19s
mingw-cross-autotools	1m 21s
mingw-cross-cmake	1m 8s
msvc-cmake-arm64	1m 7s
msvc-cmake	57s
msvc-cmake-ninja-arm	1m 5s
msys-cmake	4m 53s
	28m 47s

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