Fix load() examples to use build targets instead of file paths.
Fix load() examples to use build targets instead of file paths.

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MOS_MIGRATED_REVID=115492703

bazelbuild/bazel-website,bazelbuild/bazel-website,bazelbuild/bazel-website,davidzchen/bazel-website,davidzchen/bazel-website,davidzchen/bazel-website,davidzchen/bazel-website