Fix Android getting started docs

Summary:
`SoLoader.init(Context, int)` isn't what we want as it can raise an `IOException` (checked) and implies exo-package. I suppose this was meant to be
`(Context, boolean)`.

Reviewed By: jknoxville

Differential Revision: D8512345

fbshipit-source-id: 7fad2a3788e64149fc02e3446db2c71412ccb43d

docs/getting-started.md

@@ -43,7 +43,7 @@ public class MyApplication extends Application {
   @Override
   public void onCreate() {
     super.onCreate();
-    SoLoader.init(this, 0);
+    SoLoader.init(this, false);
 
     if (BuildConfig.DEBUG && SonarUtils.shouldEnableSonar(this)) {
       final SonarClient client = AndroidSonarClient.getInstance(this);