Cycle Dependency in `proto_cc_library` when per-file `proto_library` is disabled

[auzhva]

Gazelle extension generates cyclic dependencies in the following conditions:

Folder structure:

file1.proto
file2.proto
BUILD.bazel

file1.proto and file2.proto belongs to a same package, and one imports another one.

In generated rules proto_cc_library will try to import itself.