Fix test that was looking for API-34 for .NET 7.

Author: jpobst

tests/MSBuildDeviceIntegration/Tests/XASdkDeployTests.cs

@@ -74,6 +74,10 @@ public void DotNetInstallAndRun (bool isRelease, bool xamarinForms, string targe
 					EnableDefaultItems = true,
 				};
 			}
+
+			if (targetFramework == "net7.0-android")
+				proj.TargetSdkVersion = "33";
+
 			proj.TargetFramework = targetFramework;
 			var builder = CreateApkBuilder ();
 			Assert.IsTrue (builder.Build (proj), "`dotnet build` should succeed");