Merge "Revert "disable icu fuzzers"" am: 0046079d0a

Original change: https://android-review.googlesource.com/c/platform/external/icu/+/1580047

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8d93d22d0950e9f2dc7317211d94e2bebb66dc5b