Enable jumbo support in components/autofill

//components/autofill takes 6.6 CPU minutes to compile.
With jumbo and chunk size = 50 the build time is reduced
by around 54 %.

This commit enables jumbo support in components/autofill.

Bug: 869381
Change-Id: Iba405b8c2199f68c11a13ee0872bfaae87943d7f
Reviewed-on: https://chromium-review.googlesource.com/1170689
Reviewed-by: Vadym Doroshenko <dvadym@chromium.org>
Commit-Queue: Oscar Johansson <oscarj@opera.com>
Cr-Commit-Position: refs/heads/master@{#582105}
4 files changed