[android] Android implementation of local CJK glyph rendering

- Draws bold version of glyph if font stack contains string "bold"
 - Not hooked up to global configuration yet

platform/android/src/jni.cpp

@@ -51,6 +51,7 @@
 #include "style/light.hpp"
 #include "snapshotter/map_snapshotter.hpp"
 #include "snapshotter/map_snapshot.hpp"
+#include "text/local_glyph_rasterizer_jni.hpp"
 
 namespace mbgl {
 namespace android {
@@ -188,6 +189,9 @@ void registerNatives(JavaVM *vm) {
     // Snapshotter
     MapSnapshotter::registerNative(env);
     MapSnapshot::registerNative(env);
+
+    // text
+    LocalGlyphRasterizer::registerNative(env);
 }
 
 } // namespace android