Fix some gradle deprecation warnings

android/AndroidManifest.xml

@@ -48,8 +48,7 @@
         android:isGame="true"
         android:banner="@drawable/tv_banner"
         android:requestLegacyExternalStorage="true"
-        android:preserveLegacyExternalStorage="true"
-		android:extractNativeLibs="true">
+        android:preserveLegacyExternalStorage="true">
         <meta-data android:name="android.max_aspect" android:value="2.4" />
         <activity
             android:name=".PpssppActivity"

android/build.gradle

@@ -190,6 +190,7 @@ android {
 	}
 	buildFeatures {
 		aidl true
+		buildConfig true
 	}
 }
 afterEvaluate {

gradle.properties

@@ -1,5 +1,4 @@
 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
-android.defaults.buildfeatures.buildconfig=true
 android.nonTransitiveRClass=true
 android.nonFinalResIds=true