perf: compile mesa with perfetto support

As of mesa/perfetto-tracing 7db2faa354 tracing must be explicitly
enabled.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Rohan Garg <rohan.garg@collabora.com>

perf-testing/Docker/run.sh

@@ -78,6 +78,7 @@ if [ ! -f build/build.ninja ]; then
       -Dgallium-va=false \
       -Dvulkan-drivers=[] \
       -Dvalgrind=false \
+      -Dtracing=perfetto \
       -Dlibdir=lib
 else    
    pushd build
@@ -94,6 +95,7 @@ else
       -Dgallium-va=false \
       -Dvulkan-drivers=[] \
       -Dvalgrind=false \
+      -Dtracing=perfetto \
       -Dlibdir=lib
    popd
 fi