Experimental branch: Add validation for bundling files:
Experimental branch: Add validation for bundling files:

* Make sure that invalid top level folders are caught in analysis time.
* Make sure 2 files being bundled in the same target path are detected at analysis time.

RELNOTES: None
PiperOrigin-RevId: 208270721

bazelbuild/rules_apple,bazelbuild/rules_apple,bazelbuild/rules_apple,bazelbuild/rules_apple