Revert "Revert "Remove Java 8 requirement.""

This reverts commit ae5b3bdc675667bf855c43f1f9e09a7e08784595.

Reason for revert: Attempting to reland it with the full jdk11 migration.

Change-Id: I30d992dd24e198483eccb98d27c82d90c4730d6b
1 file changed