[android] - add library loading to peer objects

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/Layer.java

@@ -5,6 +5,7 @@ import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 
 import com.google.gson.JsonElement;
+import com.mapbox.mapboxsdk.LibraryLoader;
 import com.mapbox.mapboxsdk.style.expressions.Expression;
 import com.mapbox.mapboxsdk.style.types.Formatted;
 import com.mapbox.mapboxsdk.utils.ThreadUtils;
@@ -20,6 +21,10 @@ public abstract class Layer {
   private boolean invalidated;
   private boolean detached;
 
+  static {
+    LibraryLoader.load();
+  }
+
   @Keep
   protected Layer(long nativePtr) {
     checkThread();

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/Source.java

@@ -3,6 +3,8 @@ package com.mapbox.mapboxsdk.style.sources;
 import android.support.annotation.Keep;
 
 import android.support.annotation.NonNull;
+
+import com.mapbox.mapboxsdk.LibraryLoader;
 import com.mapbox.mapboxsdk.utils.ThreadUtils;
 
 /**
@@ -15,6 +17,10 @@ public abstract class Source {
 
   protected boolean detached;
 
+  static {
+    LibraryLoader.load();
+  }
+
   /**
    * Internal use
    *