[mutter] renderer-native: Advertise COGL_FEATURE_ID_PRESENTATION_TIME

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit f6f188dad4c225bb2708e1abaac2c9a5557fe14c
Author: Daniel van Vugt <daniel van vugt canonical com>
Date:   Fri Nov 30 15:22:00 2018 +0800

    renderer-native: Advertise COGL_FEATURE_ID_PRESENTATION_TIME
    
    Since it's now implemented (e9e4b2b72e). Fortunately forgetting to
    advertise it didn't matter because there isn't any code yet that
    checks for it.

 src/backends/native/meta-renderer-native.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/backends/native/meta-renderer-native.c b/src/backends/native/meta-renderer-native.c
index 96afdc4d1..04d325db2 100644
--- a/src/backends/native/meta-renderer-native.c
+++ b/src/backends/native/meta-renderer-native.c
@@ -2069,6 +2069,8 @@ meta_renderer_native_init_egl_context (CoglContext *cogl_context,
   MetaRendererNativeGpuData *renderer_gpu_data = cogl_renderer_egl->platform;
 #endif
 
+  COGL_FLAGS_SET (cogl_context->features,
+                  COGL_FEATURE_ID_PRESENTATION_TIME, TRUE);
   COGL_FLAGS_SET (cogl_context->features,
                   COGL_FEATURE_ID_SWAP_BUFFERS_EVENT, TRUE);
   /* TODO: remove this deprecated feature */