Revert "Run wrapper scripts with python3"

This reverts commit e0a154e4148e6649a33f003b5228ac3b1e4110e1.

Reason for revert: python3 is causing clang issues on end user machines

Change-Id: I01d724fe9ca1a4732354144b9e59c800f8edbeca
diff --git a/clang-r353983e/bin/clang b/clang-r353983e/bin/clang
index ce9cc26..081cb20 100755
--- a/clang-r353983e/bin/clang
+++ b/clang-r353983e/bin/clang
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 #
 # Copyright (C) 2017 The Android Open Source Project
 #
diff --git a/clang-r353983e/bin/clang++ b/clang-r353983e/bin/clang++
index ce9cc26..081cb20 100755
--- a/clang-r353983e/bin/clang++
+++ b/clang-r353983e/bin/clang++
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 #
 # Copyright (C) 2017 The Android Open Source Project
 #
diff --git a/clang-r353983e/bin/clang-tidy b/clang-r353983e/bin/clang-tidy
index ce9cc26..081cb20 100755
--- a/clang-r353983e/bin/clang-tidy
+++ b/clang-r353983e/bin/clang-tidy
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 #
 # Copyright (C) 2017 The Android Open Source Project
 #