Update tested Android versions

Android 9 was released in 2018 and is no longer supported by Google.
Test version 11 instead, which is the oldest version of Android with
security updates.

Author: afcapel

karma.conf.js

@@ -72,19 +72,19 @@ if (process.env.CI) {
       device: "iPhone X Simulator",
       version: "13.0"
     },
-    sl_android_9: {
+    sl_android_11: {
       base: "SauceLabs",
       browserName: "chrome",
       platform: "android",
       device: "Android GoogleAPI Emulator",
-      version: "9.0"
+      version: "11.0"
     },
     sl_android_latest: {
       base: "SauceLabs",
       browserName: "chrome",
       platform: "android",
       device: "Android GoogleAPI Emulator",
-      version: "12.0"
+      version: "13.0"
     }
   }