Roll src/third_party/snappy/src/ 156cd8939..f5acee902 (20 commits)

https://chromium.googlesource.com/external/github.com/google/snappy.git/+log/156cd8939c5f..f5acee902c4d

$ git log 156cd8939..f5acee902 --date=short --no-merges --format='%ad %ae %s'
2019-11-11 costan Move CI to Visual Studio 2019.
2019-11-07 costan Align CMake configuration with related projects.
2019-11-05 costan Remove redundant PROJECT_SOURCE_DIR usage from CMake config.
2019-11-04 costan Fix one forgotten instance of StringPrintf -> StrFormat.
2019-11-03 costan Fix build errors.
2019-11-03 costan Test CMake installation on Travis.
2019-10-30 no-reply Internal changes
2019-10-17 bitomaxsp Allow build with different standard if lib used as a subproject
2019-09-29 costan Fix Travis CI build.
2019-09-27 costan Remove snappy::string alias to std::string.
2019-09-26 costan Fully qualify std::string.
2019-08-20 costan Fix benchmarks.
2019-08-20 costan Fix benchmarks.
2019-08-20 costan Fix unused variable warnings in fuzzers.
2019-08-19 costan Rename zippy_*_fuzzer.cc -> snappy_*_fuzzer.cc.
2019-07-10 nafi Add BM_ZFlatAll, BM_ZFlatIncreasingTableSize benchmarks to see how good zippy performs when it is processing different data one after the other.
2019-07-27 bhargava.shastry Update travis config for fuzzer builds
2019-07-20 aman Updated to match .gitignore from google/leveldb
2019-07-13 aman Create .gitignore
2019-06-28 bshas3 Add libFuzzer harnesses, a cmake option to build them

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

Change-Id: I2da25ef3b612cc68765065f0fb55df8c95254380
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1993145
Auto-Submit: Victor Costan <pwnall@chromium.org>
Reviewed-by: Chris Mumford <cmumford@google.com>
Commit-Queue: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#729974}

DEPS

@@ -1449,7 +1449,7 @@ deps = {
     Var('chromium_git') + '/external/smhasher.git' + '@' + 'e87738e57558e0ec472b2fc3a643b838e5b6e88f',
 
   'src/third_party/snappy/src':
-    Var('chromium_git') + '/external/github.com/google/snappy.git' + '@' + '156cd8939c5fba7fa68ae08db843377ecc07b4b5',
+    Var('chromium_git') + '/external/github.com/google/snappy.git' + '@' + 'f5acee902c4d2110f671455460172cb6d3bf5b73',
 
   'src/third_party/sqlite4java': {
       'packages': [