CI: fix vlc4-ml builds

The introduction of the EXTRA_BUILD_PARAM for the v4 ml builds
overrides the EXTRA_BUILD_PARAM at the build-ml-all, removing the -ml
parameter and building the entire app

buildsystem/gitlab/.gitlab-ci.yml

@@ -214,25 +214,25 @@ build-ml-arm64-v4:
     extends: .build-ml-base
     variables:
         ARCH: arm64
-        EXTRA_BUILD_PARAM: -vlc4
+        EXTRA_BUILD_PARAM: -ml -vlc4
 
 build-ml-armv7-v4:
     extends: .build-ml-base
     variables:
         ARCH: arm
-        EXTRA_BUILD_PARAM: -vlc4
+        EXTRA_BUILD_PARAM: -ml -vlc4
 
 build-ml-x86-v4:
     extends: .build-ml-base
     variables:
         ARCH: x86
-        EXTRA_BUILD_PARAM: -vlc4
+        EXTRA_BUILD_PARAM: -ml -vlc4
 
 build-ml-x86_64-v4:
     extends: .build-ml-base
     variables:
         ARCH: x86_64
-        EXTRA_BUILD_PARAM: -vlc4
+        EXTRA_BUILD_PARAM: -ml -vlc4
 
 # Nightly builds: build native & app code, and ship the APK as artifact
 nightly-arm64: