[android] - validate license generatrion with nitpick on CI

platform/android/scripts/validate-license.py

@@ -0,0 +1,17 @@
+#!/usr/bin/python
+
+from subprocess import call
+from subprocess import Popen, PIPE
+import sys
+
+## Run license generation
+call('cd ../../ && make android-license', shell=True)
+
+## Git diff changes
+p = Popen(['git', 'diff', '--name-only', 'LICENSE.md'], stdin=PIPE, stdout=PIPE, stderr=PIPE)
+output, err = p.communicate(b"input data that is passed to subprocess' stdin")
+if "platform/android/LICENSE.md" in output:
+   raise ValueError("""An error ocurred while validating the license generation. 
+            Changes were detected to the license generation output 
+            but weren't commited. Run make android-license and 
+            commit the changeset to make this validation pass.""")