Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/54fde1e..a055d2e

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/e6ad063..b33525e

Rolling v8/third_party/icu: https://chromium.googlesource.com/chromium/deps/icu/+log/c844075..ae18d60

TBR=machenbach@chromium.org,vogelheim@chromium.org,hablich@chromium.org

Change-Id: I5da56e51e4c890df61ef9b55f2a4d271d55ec922
Reviewed-on: https://chromium-review.googlesource.com/522165Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45670}

DEPS

@@ -8,11 +8,11 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "54fde1e4fec73ba420df57bf88edf10aba91b42f",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "a055d2ec5f779067cf53e0e6c4b3687a43d83d24",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "eb296f67da078ec01f5e3a9ea9cdc6d26d680161",
   "v8/third_party/icu":
-    Var("chromium_url") + "/chromium/deps/icu.git" + "@" + "c844075aa0f1758d04f9192825f1b1e7e607992e",
+    Var("chromium_url") + "/chromium/deps/icu.git" + "@" + "ae18d60831126f902d778541495194380ff77fd8",
   "v8/third_party/instrumented_libraries":
     Var("chromium_url") + "/chromium/src/third_party/instrumented_libraries.git" + "@" + "644afd349826cb68204226a16c38bde13abe9c3c",
   "v8/buildtools":
@@ -48,7 +48,7 @@ deps_os = {
     "v8/third_party/android_tools":
       Var("chromium_url") + "/android_tools.git" + "@" + "cb6bc21107001e2f2eeee2707b482b2b755baf51",
     "v8/third_party/catapult":
-      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "e6ad06342efb08256f35c2605ac9c3be87a3e770",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "b33525e9912492df600d3642dbeacfc4f33d92be",
   },
 }