Android: Python2->3 shebangs for build scripts

Bug: 1187279
Change-Id: Ie54588498a0674479492636003e4f1ba7663aba0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2852118
Reviewed-by: Mohamed Heikal <[email protected]>
Commit-Queue: Andrew Grieve <[email protected]>
Cr-Commit-Position: refs/heads/master@{#876775}
diff --git a/build/android/gyp/java_cpp_features.py b/build/android/gyp/java_cpp_features.py
index 9fe7cb9..8e7c244 100755
--- a/build/android/gyp/java_cpp_features.py
+++ b/build/android/gyp/java_cpp_features.py
@@ -1,4 +1,4 @@
-#!/user/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright 2020 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be