Check the QTP0002 policy only if paths are set

It doesn't make sense to disturb users with the policy warning if they
don't specify Android paths. Suppress the policy check if Android
paths are not set for the target.

Fixes: QTBUG-115119
Pick-to: 6.6
Change-Id: Ice9d0459c01feb505857133bb942b1b6e775e55a
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

src/corelib/Qt6AndroidMacros.cmake

@@ -901,6 +901,28 @@ function(_qt_internal_android_format_deployment_paths target)
     if(QT_BUILD_STANDALONE_TESTS OR QT_BUILDING_QT OR QT_INTERNAL_IS_STANDALONE_TEST)
         set(android_deployment_paths_policy NEW)
     else()
+        set(policy_path_properties
+            QT_QML_IMPORT_PATH
+            QT_QML_ROOT_PATH
+            QT_ANDROID_PACKAGE_SOURCE_DIR
+            QT_ANDROID_EXTRA_PLUGINS
+            QT_ANDROID_EXTRA_LIBS
+        )
+
+        # Check if any of paths contains the value and stop the evaluation if all properties are
+        # empty or -NOTFOUND
+        set(has_android_paths FALSE)
+        foreach(prop_name IN LISTS policy_path_properties)
+            get_target_property(prop_value ${target} prop_name)
+            if(prop_value)
+                set(has_android_paths TRUE)
+                break()
+            endif()
+        endforeach()
+        if(NOT has_android_paths)
+            return()
+        endif()
+
         __qt_internal_setup_policy(QTP0002 "6.6.0"
             "Target properties that specify android-specific paths may contain generator\
             expressions but they must evaluate to valid JSON strings.\