Install sdk extras packages using android to prompt for ToS.

build/install-build-deps-android.sh

 #!/bin/bash -e
 
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Script to install everything needed to build chromium on android that
 # requires sudo privileges.
 # See http://code.google.com/p/chromium/wiki/AndroidBuildInstructions
 
@@ skipping 66 matching lines @@
   if grep -v 'javaplugin.so' "${TEMPDIR}"/update-java-alternatives.out \
       >& /dev/null
   then
     # If there are non-javaplugin.so errors, treat as errors and exit
     echo 'ERRORS: Failed to update alternatives for java-6-sun:'
     grep -v 'javaplugin.so' "${TEMPDIR}"/update-java-alternatives.out
     exit 1
   fi
 fi
 
+# Get the SDK extras packages to install from the DEPS file 'sdkextras' hook.
+packages="$(python -c 'execfile("./get_sdk_extras_packages.py"); \
+            execfile("./../DEPS"); get_sdk_extras(hooks)')"
+for package in "${packages}"; do
+  package_num=$(../third_party/android_tools/sdk/tools/android list sdk \
+                | grep -i "$package," \
+                | awk '/^[ ]*[0-9]*- / {gsub("-",""); print $1}')
+  if [[ -n ${package_num} ]]; then
+    ../third_party/android_tools/sdk/tools/android update sdk --no-ui --filter \
+      ${package_num}
+  fi
+done
+
 echo "install-build-deps-android.sh complete."