Fixed build with older Android SDK
diff --git a/android-project/app/src/main/java/org/libsdl/app/SDLActivity.java b/android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
index ae958b0..3d6832e 100644
--- a/android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
+++ b/android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
@@ -4,7 +4,6 @@ import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.lang.reflect.Method;
-import java.util.Objects;
import android.app.*;
import android.content.*;
diff --git a/android-project/app/src/main/java/org/libsdl/app/SDLControllerManager.java b/android-project/app/src/main/java/org/libsdl/app/SDLControllerManager.java
index 63128aa..34729f6 100644
--- a/android-project/app/src/main/java/org/libsdl/app/SDLControllerManager.java
+++ b/android-project/app/src/main/java/org/libsdl/app/SDLControllerManager.java
@@ -4,7 +4,6 @@ import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
-import java.util.Objects;
import android.content.Context;
import android.os.*;