Roll freetype (Android-only) to e3b631da8034f7c6ecc6d809cd9e46d306215c32.

Includes the following commit:

  commit e3b631da8034f7c6ecc6d809cd9e46d306215c32
  (https://codereview.chromium.org/23555005/)

  Update freetype to the latest version of Android external/freetype

  This upgrades freetype to 2.4.9.
  Copied from public andorid source (https://android.googlesource.com/platform/external/freetype/).

BUG=274031
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/23483034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221263 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -469,7 +469,7 @@ deps_os = {
 
     "src/third_party/freetype":
       Var("chromium_git") + "/chromium/src/third_party/freetype.git" +
-      "@96551feab72aac26836e9aaf4fae0962d39d5ab0",
+      "@e3b631da8034f7c6ecc6d809cd9e46d306215c32",
 
     "src/third_party/guava/src":
       Var("chromium_git") + "/external/guava-libraries.git" +