Refactored Android samples / embedder.

samples/android_sample/jni/main.cc

Index: samples/android_sample/jni/main.cc
diff --git a/samples/android_sample/jni/main.cc b/samples/android_sample/jni/main.cc
index 12688c82354aedd3231dee5cbede6000f3ad4844..0c59b165f67de0df29d3954ee16581ff6cdbc43e 100644
--- a/samples/android_sample/jni/main.cc
+++ b/samples/android_sample/jni/main.cc
@@ -22,12 +22,10 @@ void android_main(android_app* application) {
   eventLoop.Run(&host, &context);
 }
 
-int32_t PlayBackground(const char* path) {
+void PlayBackground(const char* path) {
   psound_service->PlayBackground(path);
 }
 
 void StopBackground() {
   psound_service->StopBackground();
 }
-
-