Fix include path for FuzzedDataProvider.

Bug: 991200
Change-Id: Iaa63b1e1fef19fa71e080351e3533883d87b3336
TBR=ftang@chromium.org,jshin@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/deps/icu/+/1930207
Reviewed-by: Max Moroz <mmoroz@chromium.org>
1 file changed