Add Adreno 540 to disjoint_timer_query blacklist

According to Qualcomm the unexpected blocking issue likely affects
"all A4x (or newer) chips", though the specific effect only seems
to be noticeable for WebVR on Daydream-ready devices which are 
currently limited to Adreno 530 and 540.

BUG=750306,764526
R=kbr

Cq-Include-Trybots: master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: Ifb95ed9a59f58fb7b4a3c91e3745f5def6b51d21
Reviewed-on: https://chromium-review.googlesource.com/662903Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Klaus Weidner <klausw@chromium.org>
Cr-Commit-Position: refs/heads/master@{#501463}

gpu/config/gpu_driver_bug_list.json

 {
   "name": "gpu driver bug list",
-  "version": "10.28",
+  "version": "10.29",
   "entries": [
     {
       "id": 1,
@@ -2609,7 +2609,7 @@
     },
     {
       "id": 240,
-      "cr_bugs": [750306],
+      "cr_bugs": [750306, 764526],
       "description": "glGetQueryObject(GL_QUERY_RESULT_AVAILABLE) blocks unexpectedly on Adreno",
       "os": {
         "type": "android",
@@ -2618,7 +2618,7 @@
           "value": "9.0"
         }
       },
-      "gl_renderer": "Adreno \\(TM\\) 530",
+      "gl_renderer": "Adreno \\(TM\\) 5[34]0",
       "disabled_extensions": [
         "GL_EXT_disjoint_timer_query",
         "GL_EXT_disjoint_timer_query_webgl2"