Reland "Android: Parallelize Error Prone"

Original CL: https://crrev.com/c/1346992

This is a simple reland as the revert was speculative and did not remove
perf bot issues.

Bug: 906803, 693079, 921422
Change-Id: Iaddeaf90a40c261775885a1ef37d4320a2e39cd4
Reviewed-on: https://chromium-review.googlesource.com/c/1414875
Commit-Queue: agrieve <agrieve@chromium.org>
Reviewed-by: agrieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#623572}
2 files changed