Upgrade jsoncpp to 1.9.4

Bug: 170642246
Change-Id: Id1fae5a1b6421117f923c616718ee4b3571231e0
diff --git a/.travis_scripts/run-clang-format.sh b/.travis_scripts/run-clang-format.sh
new file mode 100755
index 0000000..9197284
--- /dev/null
+++ b/.travis_scripts/run-clang-format.sh
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+python $DIR/run-clang-format.py -r $DIR/../src/**/ $DIR/../include/**/
\ No newline at end of file