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* Changed all Chromium projects using |dynamic_guid| to use the new
|dynamic_guids| multiple guid substitution enhancements.
* Removed the legacy |dynamic_guid| code.

Bug: 1109612
Change-Id: I2fb012884db39ad5489e988aef75113dd8c0258f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2500952Reviewed-by: Jamie Walch <jamiewalch@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Joe Downing <joedow@google.com>
Commit-Queue: S. Ganesh <ganesh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821517}