Android builds require newer NDKs now, mention this in README
@@ -27,7 +27,7 @@ Special **swig** version (swig-2.0.11-nutiteq branch) is needed for generating l
**CMake 3.14 or later** is required by build scripts
-Android build requires **Android SDK** and **Android NDK r11** or later. Note that newer versions than **Android NDK r14b** deprecate/remove support for GCC and are not recommended.
+Android build requires **Android SDK** and **Android NDK r17** or later.
iOS build requires **XCode 7.3** or later.
