add decode option to set leniency #9503

Job	Run time
Cross-compiling arm64	6m 14s
Cross-compiling arm64-sve	7m 36s
Cross-compiling arm64-lowprecision	6m 55s
Cross-compiling armhf	6m 2s
Cross-compiling i386	6m 10s
Testing arm64 shard 0	6s
Testing arm64-lowprecision shard 0	7s
Testing armhf shard 0	6s
Testing i386 shard 0	3m 58s
Testing arm64 shard 1	10s
Testing arm64-lowprecision shard 1	11s
Testing armhf shard 1	8s
Testing i386 shard 1	3m 43s
Testing arm64 shard 2	11s
Testing arm64-lowprecision shard 2	6s
Testing armhf shard 2	10s
Testing i386 shard 2	3m 49s
Testing arm64 shard 3	10s
Testing arm64-lowprecision shard 3	7s
Testing armhf shard 3	7s
Testing i386 shard 3	3m 57s
Testing arm64 shard 4	6s
Testing arm64-lowprecision shard 4	11s
Testing armhf shard 4	7s
Testing i386 shard 4	6s
Testing arm64 shard 5	7s
Testing arm64-lowprecision shard 5	6s
Testing armhf shard 5	6s
Testing i386 shard 5	7s
Testing arm64 shard 6	9s
Testing arm64-lowprecision shard 6	7s
Testing armhf shard 6	8s
Testing i386 shard 6	10s
Testing arm64 shard 7	7s
Testing arm64-lowprecision shard 7	7s
Testing armhf shard 7	11s
Testing i386 shard 7	11s
	52m 9s

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