Make Bazel use tools that are embedded in its binary.
Make Bazel use tools that are embedded in its binary.

This requires changing all "//tools/language:target" implicit dependencies to "@tools//tools/language:target".

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MOS_MIGRATED_REVID=105193805

kchodorow/rules_appengine,kchodorow/rules_appengine,bazelbuild/rules_appengine,bazelbuild/rules_appengine,kchodorow/rules_appengine