Roll src/third_party/libFuzzer/src/ 2f72894d3..d62662686 (10 commits)

https://chromium.googlesource.com/chromium/llvm-project/compiler-rt/lib/fuzzer.git/+log/2f72894d302e..d62662686b22

$ git log 2f72894d3..d62662686 --date=short --no-merges --format='%ad %ae %s'
2018-07-24 dor1s [libFuzzer] Handle unstable edges by disregarding unstable edges
2018-07-24 phosek [sanitizer][fuzzer] Temporarily transition to ZX_TIME_INFINITE_OLD
2018-07-24 phosek Revert "[Fuzzer] Update path to libc++ headers"
2018-07-23 phosek [Fuzzer] Update path to libc++ headers
2018-07-23 dor1s [libFuzzer] Handle unstable edges by using minimum hit counts
2018-07-19 kcc [libFuzzer] when -print_coverage=1 is given, print more stats (the number of seeds that hit every given function)
2018-07-19 kcc [libFuzzer] fix the bot (the no-assert build)
2018-07-19 kcc [libFuzzer] first experimental attempt at DFT-based mutations (DFT=data-flow-trace)
2018-07-18 phosek [Fuzzer] Improve crash unwinding on Fuchsia
2018-07-18 dor1s [libFuzzer] Create single template for visiting Inline8bitCounters

Created with:
  roll-dep src/third_party/libFuzzer/src

Bug: 539572,854276
Change-Id: Iadeb2d7c4c5cbd6ba51e257bc2b0fa662a44050e
Reviewed-on: https://chromium-review.googlesource.com/1149444Reviewed-by: Max Moroz <mmoroz@chromium.org>
Commit-Queue: Jonathan Metzman <metzman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577794}

DEPS

@@ -169,7 +169,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.
-  'libfuzzer_revision': '2f72894d302e6e9af76c7d5e712e043558115602',
+  'libfuzzer_revision': 'd62662686b220de9364f9104621a2616605c3673',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling devtools-node-modules
   # and whatever else without interference from each other.