[Sublime Text] Update instructions for SublimeClang to use a newer libclang.so

In order to parse modern Chromium code, we need a more recent libclang and supporting headers.

Bug: 756505
Change-Id: I3b731fad4842c46946391fccbcf08235d4d98b70
Reviewed-on: https://chromium-review.googlesource.com/629138
Reviewed-by: Stuart Langley <[email protected]>
Commit-Queue: Josh Karlin <[email protected]>
Cr-Commit-Position: refs/heads/master@{#500270}
1 file changed