GitLab

Remove the shlib APIs. Create a threadsafe helper class for
commonly-used methods.

Merge-With: eureka-internal/327818
Merge-With: eureka-internal/328657
Bug: internal b/138938216
Change-Id: Iab6635043af2dd85057ceafc18cb2f64269651c9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1877601
Commit-Queue: Kenneth MacKay <kmackay@chromium.org>
Reviewed-by: Yuchen Liu <yucliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710224}