Target API level not being recognized by Google Play

Hello!
I have been working on a game using Unity 5.6.1f1 and hadn't upgraded it to a newer Unity version just to be safe. When uploading my game to Google Play, I had an error saying my target API was too low (API level 25) and needed to be set to 26. I looked in Android Studio and sure enough, I didn't have the most current API level installed. I installed 26, and restarted Unity. It did not show a higher API above 25 still. I ended up upgrading my project to Unity 5.6.6f2 and now I can select API level 26 as the target API.

So, I either set the target to 26, or highest installed, build the apk and upload it to Google Play. Every time it tells me that my target API level is 22. I even tried changing the highest minimum API from level 16 to 23 and I still get the error that it's set to 22. I have deleted the project in Google Play and started a new one, rebooting my PC and it still gives me the error.

I then deleted all the previous API levels installed in Android Studio, rebooted, and still the same error. I then started a fresh Unity project and saved a simple scene. I started a new project for Google Play and that one uploads just fine, using the same version of Unity that I'm trying to use for my game (5.6.6f2).

I've googled this and I can't find any reason why this is the case. I've included a screenshot of Android Studio, my player settings for Unity, and the error I get from Google Play. Does anyone have any advice for troubleshooting?

Thank you!

 

You are right! I had assumed it was being overwritten but it does show that the target API level is 22! Thanks for pointing me in the right direction. I can't believe I never thought to check the AndroidManifest file.