Correctly omit Huawei from example when not used

Since Gradle / AGP 8 upgrade the example doesn't work for
Huawei builds, however this uncovered we were not correctly omitting it
for all tasks.

We will fix Huawei in the example project not building in follow up
commit.

Author: jkasten2

Examples/OneSignalDemo/app/build.gradle

@@ -62,10 +62,11 @@ android {
     }
 
     task flavorSelection() {
-        if (getGradle().getStartParameter().getTaskRequests().toString().contains("Gms")) {
+        def tasksList = gradle.startParameter.taskRequests.toString()
+        if (tasksList.contains('Gms')) {
             apply plugin: 'com.google.gms.google-services'
             googleServices { disableVersionCheck = true }
-        } else {
+        } else if (tasksList.contains('Huawei')) {
             apply plugin: 'com.huawei.agconnect'
         }
     }