Try to make Android build

Tools/Android/app/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 30
-    ndkVersion "22.1.7171670"
+    ndkVersion "23.0.7599858"
     defaultConfig {
         applicationId "org.anki.%TARGET%"
         minSdkVersion 24