Note that we will need to manually ensure that any new bazel package has
the leyering_check disabled.
The internal builds have layering_check turned on by default, while the
open-source builds have them turned off by default. Ideally, we would
explicitly turn them on for the open-source build.
However, turning it on (with `layering_check` instead of
`-layering_check`) and building with this command:
```
bazel build tensorflow/lite/micro/kernels:add_test --repo_env=CC=`which clang`
```
results in a number of additional build errors that will need much
broader changes to the TFLM BUILD files to fix.
As a result, we are currently turning off the layering_check to at least
make the internal and external builds consistent.
Fixes#46347
See http://b/177257332 for more internal-only context.
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