Fix to px_9a in a few places where the default was still px_7a

Author: Hainish

USAGE-google-play.md

@@ -20,7 +20,7 @@ An AAS token should be printed. You can use this to download an app:
 apkeep -a com.instagram.android -d google-play -e 'someone@gmail.com' -t some_aas_token .
 ```
 
-This will use a default device configuration of `px_7a`, a timezone of `UTC`, and a locale of `en_US`.  To specify a different device profile, use the `-o` option:
+This will use a default device configuration of `px_9a`, a timezone of `UTC`, and a locale of `en_US`.  To specify a different device profile, use the `-o` option:
 
 ```shell
 apkeep -a com.instagram.android -d google-play -o device=ad_g3_pro -e 'someone@gmail.com' -t some_aas_token .

src/download_sources/google_play.rs

@@ -128,7 +128,7 @@ pub async fn request_aas_token(
     oauth_token: &str,
     mut options: HashMap<&str, &str>,
 ) {
-    let device = options.remove("device").unwrap_or("px_7a");
+    let device = options.remove("device").unwrap_or("px_9a");
     let mut api = Gpapi::new(device, email);
     match api.request_aas_token(oauth_token).await {
         Ok(()) => {