Fix XA1036: update Android test manifest minSdkVersion from 21 to 30

The shared osu.Android.props sets SupportedOSPlatformVersion to 30.0 but
the 5 Android test project manifests still had minSdkVersion="21", causing
error XA1036 during Android CI builds.

Co-authored-by: winnerspiros <1675249+winnerspiros@users.noreply.github.com>
Agent-Logs-Url: https://github.com/winnerspiros/osu/sessions/fc977f0a-1533-418d-81e2-033429eb5b3d

Author: Copilot

osu.Game.Rulesets.Catch.Tests.Android/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- using a different name because package name cannot contain 'catch' -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="osu.Game.Rulesets.Catch_Tests.Android" android:installLocation="auto">
-	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="34" />
+	<uses-sdk android:minSdkVersion="30" android:targetSdkVersion="34" />
 	<application android:allowBackup="true" android:supportsRtl="true" android:label="osu!catch Test" />
 </manifest>

osu.Game.Rulesets.Mania.Tests.Android/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="osu.Game.Rulesets.Mania.Tests.Android" android:installLocation="auto">
-	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="34" />
+	<uses-sdk android:minSdkVersion="30" android:targetSdkVersion="34" />
 	<application android:allowBackup="true" android:supportsRtl="true" android:label="osu!mania Test" />
 </manifest>

osu.Game.Rulesets.Osu.Tests.Android/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="osu.Game.Rulesets.Osu.Tests.Android" android:installLocation="auto">
-	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="34" />
+	<uses-sdk android:minSdkVersion="30" android:targetSdkVersion="34" />
 	<application android:allowBackup="true" android:supportsRtl="true" android:label="osu!standard Test" />
 </manifest>

osu.Game.Rulesets.Taiko.Tests.Android/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="osu.Game.Rulesets.Taiko.Tests.Android" android:installLocation="auto">
-	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="34" />
+	<uses-sdk android:minSdkVersion="30" android:targetSdkVersion="34" />
 	<application android:allowBackup="true" android:supportsRtl="true" android:label="osu!taiko Test" />
 </manifest>

osu.Game.Tests.Android/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="osu.Game.Tests.Android" android:installLocation="auto">
-	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="34" />
+	<uses-sdk android:minSdkVersion="30" android:targetSdkVersion="34" />
 	<application android:allowBackup="true" android:supportsRtl="true" android:label="osu!visual Test" />
 </manifest>