Enable compiling youtube_15_33 as a dump

Change-Id: I280990f2360664e36df5b4e143d987855de593fa
diff --git a/tools/utils.py b/tools/utils.py
index 8b7acb7..1ebcfb7 100644
--- a/tools/utils.py
+++ b/tools/utils.py
@@ -79,6 +79,7 @@
 # TODO(b/152155164): Remove this when all apps has been migrated.
 OPENSOURCE_APPS_FOLDER = os.path.join(THIRD_PARTY, 'opensource_apps')
 OPENSOURCE_DUMPS_DIR = os.path.join(THIRD_PARTY, 'opensource-apps')
+INTERNAL_DUMPS_DIR = os.path.join(THIRD_PARTY, 'internal-apps')
 BAZEL_SHA_FILE = os.path.join(THIRD_PARTY, 'bazel.tar.gz.sha1')
 BAZEL_TOOL = os.path.join(THIRD_PARTY, 'bazel')
 JAVA8_SHA_FILE = os.path.join(THIRD_PARTY, 'openjdk', 'jdk8', 'linux-x86.tar.gz.sha1')