Use new gclient config to pull V8 bleeding edge revisions.

BUG=422386
NOTRY=true

Review URL: https://codereview.chromium.org/648783002

Cr-Commit-Position: refs/heads/master@{#299190}

tools/auto_bisect/bisect_utils.py

@@ -60,7 +60,9 @@ GCLIENT_SPEC_DATA = [
     },
 ]
 GCLIENT_SPEC_ANDROID = "\ntarget_os = ['android']"
-GCLIENT_CUSTOM_DEPS_V8 = {'src/v8_bleeding_edge': 'git://github.com/v8/v8.git'}
+GCLIENT_CUSTOM_DEPS_V8 = {
+    'src/v8_bleeding_edge': 'https://chromium.googlesource.com/v8/v8.git'
+}
 FILE_DEPS_GIT = '.DEPS.git'
 FILE_DEPS = 'DEPS'