Merge to XFA: Switch DEPS for ICU from a dead end branch to the active one.

TBR=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1549063002 .

(cherry picked from commit d4192c7774dac4b2fb30facb3deb3453e03c88fc)

Review URL: https://codereview.chromium.org/1542303003 .
diff --git a/DEPS b/DEPS
index 890e907..ab27df0 100644
--- a/DEPS
+++ b/DEPS
@@ -23,7 +23,7 @@
     "https://chromium.googlesource.com/v8/v8.git@96cb90983775bfce634271a70180fdd1bfc23099",
 
   "v8/third_party/icu":
-    "https://chromium.googlesource.com/chromium/deps/icu46",
+    "https://chromium.googlesource.com/chromium/deps/icu.git@8d342a405be5ae8aacb1e16f0bc31c3a4fbf26a2",
 }
 
 deps_os = {