Include .bazelrc in MANIFEST.in to be included in sdist
Include .bazelrc in MANIFEST.in to be included in sdist

This is needed to build Tink C++ with -std=c++14.

PiperOrigin-RevId: 484984405

google/tink,google/tink,google/tink,google/tink,google/tink,google/tink,google/tink,google/tink