android ndk_version (#16494)

* android ndk_version

* removed warning

Author: memsharded

conans/client/conf/__init__.py

@@ -62,6 +62,7 @@
                 ios_version: *ios_version
     Android:
         api_level: [ANY]
+        ndk_version: [null, ANY]
     FreeBSD:
     SunOS:
     AIX:

conans/client/profile_loader.py

@@ -41,6 +41,7 @@ def profile_plugin(profile):
     _check_correct_cppstd(settings)
     _check_correct_cstd(settings)
 
+
 def _check_correct_cppstd(settings):
     from conan.tools.scm import Version
     def _error(compiler, cppstd, min_version, version):

test/integration/configuration/test_profile_plugin.py

@@ -26,3 +26,13 @@ def test_remove_plugin_file(self):
         os.remove(os.path.join(c.cache.plugins_path, "profile.py"))
         c.run("profile show", assert_error=True)
         assert "ERROR: The 'profile.py' plugin file doesn't exist" in c.out
+
+
+def test_android_ndk_version():
+    c = TestClient()
+    c.run("profile show -s os=Android")
+    assert "os.ndk_version" not in c.out
+    c.run("profile show -s os=Android -s os.ndk_version=r26")
+    assert "os.ndk_version=r26" in c.out
+    c.run("profile show -s os=Android -s os.ndk_version=r26a")
+    assert "os.ndk_version=r26a" in c.out