Add Tigerlake to list of force enabling RGB10A2 overlay workaround

Tigerlake has similar overlay capabilities compared with Icelake. In
order to enable playing HDR video through overlay, this CL adds
Tigerlake to the list of forcing enabling RGB10A2 overlay.

Bug: 1145875
Change-Id: I8b281602c8013c0bdaad5e0b8221f3bd1df98b30
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2520656Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Commit-Queue: Richard Li <richard.li@intel.com>
Cr-Commit-Position: refs/heads/master@{#826196}

gpu/config/gpu_driver_bug_list.json

@@ -3468,7 +3468,8 @@
         "type": "win"
       },
       "intel_gpu_series": [
-        "icelake"
+        "icelake",
+        "tigerlake"
       ],
       "features": [
         "force_rgb10a2_overlay_support_flags"