Python compilation error: LXMLRecipe' object has no attribute 'ndk_include_dir'

[excepterror]

Checklist

• the issue is indeed a bug and not a support request
• issue doesn't already exist: https://github.com/kivy/python-for-android/issues
• I have a short, runnable example that reproduces the issue
• I reproduced the problem with the latest development version (p4a.branch = develop)
• I used the grave accent (aka backticks) to format code or logs when appropriated

Versions

• Python: 3.8.10
• OS: Ubuntu 20.04
• Kivy: master
• Cython: 0.29.21
• OpenJDK: 13

Description

Recipe doesn't build due to the the compilation error as 'ndk_include_dir' is not an attribute for :cls: LXMLRecipe(). Fix is simple: In line 55, ndk_include_dir = self.ctx.ndk_include_dir. I am not aware if this issue is present in other recipes too. Thanks!

buildozer.spec

Command:

buildozer android debug

[misl6]

Fixed via #2495