iconbrowser test: URI-encode the remote path

Otherwise the download fails. We need to provide both the encoded path,
and the name for the local file, as cmake doesn't provide an encoding
helper.

Pick-to: 6.8
Change-Id: Id2d1c197f9ee1326ee229ebd32e5af156c970aed
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

tests/manual/iconbrowser/CMakeLists.txt

@@ -29,14 +29,15 @@ target_link_libraries(iconbrowser PRIVATE
 endif()
 
 if (ANDROID)
+    set(font_uri "MaterialSymbolsOutlined%5BFILL%2CGRAD%2Copsz%2Cwght%5D.ttf")
     set(font_filename "MaterialSymbolsOutlined[FILL,GRAD,opsz,wght].ttf")
     if (QT_ALLOW_DOWNLOAD)
         include(FetchContent)
 
         FetchContent_Declare(
             MaterialIcons
             URL
-                "https://github.com/google/material-design-icons/raw/master/variablefont/${font_filename}"
+                "https://github.com/google/material-design-icons/raw/master/variablefont/${font_uri}"
             DOWNLOAD_DIR        ${CMAKE_CURRENT_BINARY_DIR}
             DOWNLOAD_NAME       "${font_filename}"
             DOWNLOAD_NO_EXTRACT TRUE