Roll chromium_revision b2c6a86..e937e5f (332773:333350)

Add symlink to third_party/android_platform to handle changes in
https://codereview.chromium.org/1072533002

Relevant changes:
* src/third_party/boringssl/src: 8a228f5..af0e32c
* src/third_party/icu: f1ad7f9..9939a5d
* src/third_party/libvpx: 654e661..a436311
* src/third_party/libyuv: 35aa92a..632c50f
* src/tools/gyp: 29e94a3..fdc7b81
Details: https://chromium.googlesource.com/chromium/src/+/b2c6a86..e937e5f/DEPS

Clang version was not updated in this roll.

BUG=
R=pbos@webrtc.org

Review URL: https://codereview.webrtc.org/1169083002.

Cr-Commit-Position: refs/heads/master@{#9400}
diff --git a/.gitignore b/.gitignore
index 9c328ec..4472ae3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -78,6 +78,7 @@
 /talk/app/webrtc/androidtests/libs
 /testing
 /third_party/WebKit/Tools/Scripts
+/third_party/android_platform
 /third_party/android_testrunner
 /third_party/android_tools
 /third_party/appurify-python
@@ -87,6 +88,7 @@
 /third_party/boringssl
 /third_party/BUILD.gn
 /third_party/clang_format
+/third_party/class-dump
 /third_party/colorama
 /third_party/cygwin
 /third_party/directxsdk
diff --git a/DEPS b/DEPS
index 5dadb92..00ca5cc 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
 vars = {
   'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': 'b2c6a8612f762f45671fb87331e89552e561833a',
+  'chromium_revision': 'e937e5fb5e6136ef27280fc7aad5502aa5a3cce2',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than
diff --git a/setup_links.py b/setup_links.py
index 1edb7c2..cca14d1 100755
--- a/setup_links.py
+++ b/setup_links.py
@@ -80,6 +80,7 @@
 if 'android' in target_os:
   DIRECTORIES += [
     'base',
+    'third_party/android_platform',
     'third_party/android_testrunner',
     'third_party/android_tools',
     'third_party/appurify-python',