Revert of Remove download_binaries.py from DEPS (patchset crosswalk-p…

…roject#2 id:20001 of https://codereview.chromium.org/2774043002/ )

Reason for revert:
https://codereview.chromium.org/2775913002/ needs to be reverted, so reverting all dependent patch sets

Original issue's description:
> Remove download_binaries.py from DEPS
>
> This step is no longer necessary after https://codereview.chromium.org/2775913002/
>
> BUG=chromium:705072
>
> Review-Url: https://codereview.chromium.org/2774043002
> Cr-Commit-Position: refs/heads/master@{#44252}
> Committed: https://chromium.googlesource.com/v8/v8/+/459b881c233557f5da9ca9e4779fc1696c785a1c

TBR=machenbach@chromium.org,thomasanderson@google.com
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:705072

Review-Url: https://codereview.chromium.org/2786173004
Cr-Commit-Position: refs/heads/master@{#44289}

DEPS

@@ -14,7 +14,7 @@ deps = {
   "v8/third_party/icu":
     Var("chromium_url") + "/chromium/deps/icu.git" + "@" + "450be73c9ee8ae29d43d4fdc82febb2a5f62bfb5",
   "v8/third_party/instrumented_libraries":
-    Var("chromium_url") + "/chromium/src/third_party/instrumented_libraries.git" + "@" + "61065eb0db191f46bdea202e833f5cd1f1ecedcd",
+    Var("chromium_url") + "/chromium/src/third_party/instrumented_libraries.git" + "@" + "48dcb2c2397ce4fbb49f9461638a32ccf2c84ce5",
   "v8/buildtools":
     Var("chromium_url") + "/chromium/buildtools.git" + "@" + "e6b510a9daf822bbe9f922c200c58150803d2fd8",
   "v8/base/trace_event/common":
@@ -250,6 +250,16 @@ hooks = [
         '--running-as-hook',
     ],
   },
+  {
+    # Pull sanitizer-instrumented third-party libraries if requested via
+    # GYP_DEFINES.
+    'name': 'instrumented_libraries',
+    'pattern': '\\.sha1',
+    'action': [
+        'python',
+        'v8/third_party/instrumented_libraries/scripts/download_binaries.py',
+    ],
+  },
   {
     # Update the Windows toolchain if necessary.
     'name': 'win_toolchain',