feat: expose the NDK revision used to build the V8 and the Runtime

The version will be used by the V8 Snapshot Webpack plugin in order to build the V8 Snapshot using the same Android NDK version. 

> The revision could be found in the `source.properties` file from the root NDK folder.

Author: Dimitar Tachev

build-artifacts/project-template-gradle/settings.json

@@ -1,4 +1,5 @@
 {
     "v8Version": "7.7.299.11",
+    "ndkRevision": "20.0.5594570",
     "mksnapshotParams": "--profile_deserialization --turbo_instruction_scheduling --target_os=android --no-native-code-counters"
-}
+}