Fix the isystem paths. They should not be simplified.
Fix the isystem paths. They should not be simplified.

This currently cause the problem that the Grok indexer doesn't
pick up the system headers from the index pack. So if it is running
in an environment with different system headers, it may fail.

BUG=463018

Review URL: https://codereview.chromium.org/979183002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@294354 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build