GitLab

Our experiments show that Desugar, a Google-developed open-source tool,
outperforms Retrolambda in both APK sizes and Java method counts. This
CL replaces Retrolambda with Desugar in our experimental Java 8 support.

BUG=730711

Review-Url: https://codereview.chromium.org/2985523002
Cr-Commit-Position: refs/heads/master@{#491183}