GitLab

Extends the dexlayout build path with profile obfuscation. This
hooks build/android/gyp/dex.py into the recent convert_dex_profile.py,
and makes the necessary changes to GN to pass the proguard mapping
to the dex pass.

Bug: 875276
Change-Id: Id595b17fdba69c7e2e2dcd252c467954a558c56f
Reviewed-on: https://chromium-review.googlesource.com/c/1366315
Commit-Queue: Matthew Cary <mattcary@chromium.org>
Reviewed-by: agrieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615863}