[libtooling] ASTExporter: dumpAccessSpecifier -> dumpBareAccessSpecifier (not used yet)

Summary: [libtooling] ASTExporter: dumpAccessSpecifier -> dumpBareAccessSpecifier (not used yet)

Test Plan: make -C libtooling test && make -C clang-ocaml test

Reviewers: irp

Reviewed By: irp

Differential Revision: https://phabricator.fb.com/D1471591
[libtooling] ASTExporter: inline dumpQualType

Summary: [libtooling] ASTExporter: inline dumpQualType

Test Plan: make -C libtooling test && make -C clang-ocaml test

Reviewers: irp

Reviewed By: irp

Subscribers: bobcat

Differential Revision: https://phabricator.fb.com/D1471209
[libtooling] ASTExporter: rename dumpBareX functions to dumpX

Summary:
[libtooling] ASTExporter: rename dumpBareX functions to dumpX

This is the final step of the refactoring.

Test Plan: make -C libtooling test && make -C clang-ocaml test

Reviewers: irp

Reviewed By: irp

Differential Revision: https://phabricator.fb.com/D1471214