Switch to running scripts using Python 2.x

Change-Id: I7786633736e9ce256754e66e321271772db05bdf
diff --git a/build-fuchsia/fuchsia-generate.sh b/build-fuchsia/fuchsia-generate.sh
index e38683c..36ee622 100755
--- a/build-fuchsia/fuchsia-generate.sh
+++ b/build-fuchsia/fuchsia-generate.sh
@@ -27,10 +27,10 @@
 rm -rf $OUTPUT_DIR/generated
 mkdir -p $OUTPUT_DIR/generated/include
 
-python3 $SOURCE_DIR/../scripts/vk_helper.py --gen_struct_wrappers $SOURCE_DIR/../include/vulkan/vulkan.h --abs_out_dir $OUTPUT_DIR/generated/include > /dev/null
+python $SOURCE_DIR/../scripts/vk_helper.py --gen_struct_wrappers $SOURCE_DIR/../include/vulkan/vulkan.h --abs_out_dir $OUTPUT_DIR/generated/include > /dev/null
 
-( cd $OUTPUT_DIR/generated/include; python3 $SOURCE_DIR/../scripts/lvl_genvk.py -registry $SOURCE_DIR/../scripts/vk.xml vk_enum_string_helper.h 2> /dev/null)
-( cd $OUTPUT_DIR/generated/include; python3 $SOURCE_DIR/../scripts/lvl_genvk.py -registry $SOURCE_DIR/../scripts/vk.xml vk_dispatch_table_helper.h 2> /dev/null)
-( cd $OUTPUT_DIR/generated/include; python3 $SOURCE_DIR/../scripts/lvl_genvk.py -registry $SOURCE_DIR/../scripts/vk.xml thread_check.h 2> /dev/null )
-( cd $OUTPUT_DIR/generated/include; python3 $SOURCE_DIR/../scripts/lvl_genvk.py -registry $SOURCE_DIR/../scripts/vk.xml parameter_validation.h 2> /dev/null)
-( cd $OUTPUT_DIR/generated/include; python3 $SOURCE_DIR/../scripts/lvl_genvk.py -registry $SOURCE_DIR/../scripts/vk.xml unique_objects_wrappers.h 2> /dev/null)
+( cd $OUTPUT_DIR/generated/include; python $SOURCE_DIR/../scripts/lvl_genvk.py -registry $SOURCE_DIR/../scripts/vk.xml vk_enum_string_helper.h 2> /dev/null)
+( cd $OUTPUT_DIR/generated/include; python $SOURCE_DIR/../scripts/lvl_genvk.py -registry $SOURCE_DIR/../scripts/vk.xml vk_dispatch_table_helper.h 2> /dev/null)
+( cd $OUTPUT_DIR/generated/include; python $SOURCE_DIR/../scripts/lvl_genvk.py -registry $SOURCE_DIR/../scripts/vk.xml thread_check.h 2> /dev/null )
+( cd $OUTPUT_DIR/generated/include; python $SOURCE_DIR/../scripts/lvl_genvk.py -registry $SOURCE_DIR/../scripts/vk.xml parameter_validation.h 2> /dev/null)
+( cd $OUTPUT_DIR/generated/include; python $SOURCE_DIR/../scripts/lvl_genvk.py -registry $SOURCE_DIR/../scripts/vk.xml unique_objects_wrappers.h 2> /dev/null)
diff --git a/scripts/lvl_genvk.py b/scripts/lvl_genvk.py
index 5429376..3a1c67e 100644
--- a/scripts/lvl_genvk.py
+++ b/scripts/lvl_genvk.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/python
 #
 # Copyright (c) 2013-2016 The Khronos Group Inc.
 #
diff --git a/scripts/vk_helper.py b/scripts/vk_helper.py
index 9771a25..163df78 100755
--- a/scripts/vk_helper.py
+++ b/scripts/vk_helper.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 #
 # Copyright (c) 2015-2016 The Khronos Group Inc.
 # Copyright (c) 2015-2016 Valve Corporation