Create codegen_preprocessor #3094

Job	Run time
no-labels	1s
ci-ready-to-merge	1s
ci-run	3s
ci-run-full	6s
call-ci / Bazel msan (presubmit)	18m 19s
call-ci / Bazel (presubmit)	22m 7s
call-ci / Bazel TFLite Tools (presubmit)	2m 41s
call-ci / Bazel asan (presubmit)	25m 21s
call-ci / Cortex-M Bluepill Release (presubmit)	13m 52s
call-ci / Cortex-M Bluepill Renode (presubmit)	9m 19s
call-ci / Cortex-M Bluepill No Release (presubmit)	17m 24s
call-ci / Cortex-M QEMU Unit Tests (presubmit)	12m 36s
call-ci / Code Style (presubmit)	1m 26s
call-ci / Makefile x86 Default (presubmit)	10m 21s
call-ci / Project Generation (presubmit)	12m 28s
call-ci / Makefile x86 Release (presubmit)	17m 10s
call-ci / Makefile x86 No TFLite Static Memory (presubmit)	10m 41s
call-hexagon / Hexagon Build Test (presubmit)	12m 22s
call-ci / Makefile x86 Out Of Tree (presubmit)	5m 36s
call-xtensa-presubmit / Hifi5 Unit Tests (presubmit)	17m 5s
call-xtensa-presubmit / Vision P6 Build (presubmit)	14m 57s
call-xtensa-presubmit / Hifi3z Unit Tests (presubmit)	29m 24s
call-check-tflite-files / Check PR Modifies TfLite Files	1m 7s
PR has Bug	1s
	4h 14m 28s

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