Fix benchmark param for ICP

[reyanshsolis]

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Benchmark                                           Time             CPU   Iterations
-------------------------------------------------------------------------------------
BenchmarkICPLegacy/PointToPlane / CPU            54.0 ms         54.0 ms           13
BenchmarkICPLegacy/PointToPoint / CPU            76.6 ms         76.6 ms            9
BenchmarkICP/"CPU:0" PointToPoint_Float32        57.3 ms         56.8 ms           12
BenchmarkICP/"CPU:0" PointToPoint_Float64        53.9 ms         53.8 ms           13
BenchmarkICP/"CPU:0" PointToPlane_Float32        57.7 ms         57.6 ms           12
BenchmarkICP/"CPU:0" PointToPlane_Float64        55.3 ms         55.2 ms           13
BenchmarkICP/"CPU:0" ColoredICP_Float32          83.9 ms         83.9 ms            8
BenchmarkICP/"CPU:0" ColoredICP_Float64           103 ms          103 ms            7
BenchmarkICP/"CUDA:0" PointToPoint_Float32       17.2 ms         17.2 ms           39
BenchmarkICP/"CUDA:0" PointToPoint_Float64       34.4 ms         34.4 ms           20
BenchmarkICP/"CUDA:0" PointToPlane_Float32       9.24 ms         9.24 ms           77
BenchmarkICP/"CUDA:0" PointToPlane_Float64       26.6 ms         26.6 ms           27
BenchmarkICP/"CUDA:0" ColoredICP_Float32         12.2 ms         12.2 ms           48
BenchmarkICP/"CUDA:0" ColoredICP_Float64         33.2 ms         33.2 ms           21

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