Roll src/buildtools/ 3748a2a90..10d701fce (1 commit)

https://chromium.googlesource.com/chromium/buildtools.git/+log/3748a2a90871..10d701fce52d

$ git log 3748a2a90..10d701fce --date=short --no-merges --format='%ad %ae %s'
2018-03-30 fdegans Prepare for |is_posix| switch in the Fuchsia build

Created with:
  roll-dep src/buildtools

TBR=glider@chromium.org

Bug: 812974
Change-Id: I69ab175249b68a0b3bc9a1982556ba0305d8a3a4
Reviewed-on: https://chromium-review.googlesource.com/996481Reviewed-by: Fabrice de Gans-Riberi <fdegans@chromium.org>
Commit-Queue: Fabrice de Gans-Riberi <fdegans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#548684}

DEPS

@@ -98,7 +98,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling build tools
   # and whatever else without interference from each other.
-  'buildtools_revision': '3748a2a90871fc25b0455790fa5a6699553f5197',
+  'buildtools_revision': '10d701fce52d192005512aa832dc82f9aae72b5d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.