gpu: Disable EXT_discard_framebuffer on ARM GPUs and expose it for pre-ES3

gpu/config/gpu_driver_bug_list_json.cc

Index: gpu/config/gpu_driver_bug_list_json.cc
diff --git a/gpu/config/gpu_driver_bug_list_json.cc b/gpu/config/gpu_driver_bug_list_json.cc
index a115bf54015b76fc49560edd64a34bdf1ef4b428..6346e427e042e72eaf503b1b780c6be2cf2bca8c 100644
--- a/gpu/config/gpu_driver_bug_list_json.cc
+++ b/gpu/config/gpu_driver_bug_list_json.cc
@@ -85,7 +85,7 @@ const char kGpuDriverBugListJson[] = LONG_STRING_CONST(
 {
   "name": "gpu driver bug list",
   // Please update the version number whenever you change this file.
-  "version": "2.14",
+  "version": "2.15",
   "entries": [
     {
       "id": 1,
@@ -605,6 +605,21 @@ const char kGpuDriverBugListJson[] = LONG_STRING_CONST(
       "features": [
         "validate_multisample_buffer_allocation"
       ]
+    },
+    {
+      "id": 40,
+      "cr_bugs": [290876],
+      "description": "Framebuffer discarding causes flickering on ARM",
+      "os": {
+        "type": "android"
+      },
+      "gl_vendor": {
+        "op": "beginwith",
+        "value": "ARM"
+      },
+      "features": [
+        "disable_ext_discard_framebuffer"
+      ]
     }
   ]
 }