Revert "Update clang version to clang-r487747" Revert submission 2462733-fix-clang-tools-r487747 Rollback compiler update Reverted changes: /q/submissionid:2462733-fix-clang-tools-r487747 Change-Id: I728d075c70c1a9938475069643c62a2cdf2a968f (cherry picked from commit 78eb9e45d8eb8405c1a2f9f508ff4a88633d510a) Merged-In: I728d075c70c1a9938475069643c62a2cdf2a968f