Make hash-bangs more portable

Bug: 186749906
Test: ./gradlew bOS
Change-Id: Id9ee3d30ee863caa2abe3aa96dcf542484d64414

diff --git a/development/apilint.py b/development/apilint.py
index 3d4c3e9..e4b1880 100755
--- a/development/apilint.py
+++ b/development/apilint.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 #
 # Copyright 2019, The Android Open Source Project

diff --git a/development/referenceDocs/switcher.py b/development/referenceDocs/switcher.py
index 83369b5..c4ee6d2 100755
--- a/development/referenceDocs/switcher.py
+++ b/development/referenceDocs/switcher.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # Copyright 2019 - The Android Open Source Project
 #

diff --git a/development/triage-guesser.py b/development/triage-guesser.py
index ed631c2..d867c1b 100755
--- a/development/triage-guesser.py
+++ b/development/triage-guesser.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 import sys, re, subprocess, os
 

diff --git a/jetifier/jetifier/source-transformer/source_transformer.py b/jetifier/jetifier/source-transformer/source_transformer.py
index 6e0baa0..0f8f6a2 100755
--- a/jetifier/jetifier/source-transformer/source_transformer.py
+++ b/jetifier/jetifier/source-transformer/source_transformer.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # This script does package renamings on source code (and .xml files and build files, etc), as part of migrating code to Jetpack.
 # For example, this script may replace the text

diff --git a/leanback/leanback/generatef.py b/leanback/leanback/generatef.py
index 743a435..bb38d96 100755
--- a/leanback/leanback/generatef.py
+++ b/leanback/leanback/generatef.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Copyright (C) 2017 The Android Open Source Project
 #

diff --git a/leanback/leanback/src/androidTest/generatev4.py b/leanback/leanback/src/androidTest/generatev4.py
index d05788b..92c33cc 100755
--- a/leanback/leanback/src/androidTest/generatev4.py
+++ b/leanback/leanback/src/androidTest/generatev4.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Copyright (C) 2015 The Android Open Source Project
 #

diff --git a/lifecycle/lifecycle-compiler/reset_results.py b/lifecycle/lifecycle-compiler/reset_results.py
index 66e29eb..4b816f8 100644
--- a/lifecycle/lifecycle-compiler/reset_results.py
+++ b/lifecycle/lifecycle-compiler/reset_results.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 #
 # Copyright 2017, The Android Open Source Project

diff --git a/samples/SupportLeanbackDemos/generatev4.py b/samples/SupportLeanbackDemos/generatev4.py
index ac71db1..480946b 100755
--- a/samples/SupportLeanbackDemos/generatev4.py
+++ b/samples/SupportLeanbackDemos/generatev4.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Copyright (C) 2015 The Android Open Source Project
 #