Do not prompt for microG installs on non-huawei builds

app/src/vanilla/java/com/aurora/store/util/FlavouredUtil.kt

@@ -0,0 +1,10 @@
+package com.aurora.store.util
+
+import android.content.Context
+
+object FlavouredUtil : IFlavouredUtil {
+
+    override fun promptMicroGInstall(context: Context): Boolean {
+        return false
+    }
+}