[README.md] Update NDK version

ViliusSutkus89 · web-flow · commit acdb8b7d554b · 2020-02-25T02:10:03.000+02:00
diff --git a/README.md b/README.md
@@ -79,7 +79,7 @@ Debug build of sample application is available in [Releases Page](https://github
 * Meson Build system
 * pkg-config
 * CMake-3.10.2
-* ndk-20.1.5948944
+* ndk-21.0.6113669
 * gettext
 * gperf
 
