Added GYP defines to dump linux symbols for gpu perf bots and trybots.

scripts/slave/recipes/chromium_trybot_legacy.expected/compile_because_of_analyze.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/bot_update.py",
       "--master",
       "tryserver.chromium.linux",
       "--builder",
       "linux_chromium_asan_rel",
@@ skipping 135 matching lines @@
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/build/gyp_chromium",
       "--analyzer",
       "{\"files\": [\"foo.cc\"], \"targets\": []}",
       "/path/to/tmp/json"
     ],
     "env": {
-      "GYP_DEFINES": "asan=1 clang=1 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]/goma' lsan=1 target_arch=x64 use_allocator=none use_goma=1"
+      "GYP_DEFINES": "asan=1 clang=1 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]/goma' linux_dump_symbols=1 lsan=1 target_arch=x64 use_allocator=none use_goma=1"
     },
     "name": "analyze",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"build_targets\": [], @@@",
       "@@@STEP_LOG_LINE@json.output@  \"status\": \"Found dependency\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"targets\": []@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@",
       "@@@STEP_LOG_LINE@analyze_details@{@@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"compile_targets\": [], @@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"original_compile_targets\": [], @@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"original_exes\": [], @@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"self.m.filter.compile_targets\": [], @@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"self.m.filter.matching_exes\": []@@@",
       "@@@STEP_LOG_LINE@analyze_details@}@@@",
       "@@@STEP_LOG_END@analyze_details@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
     "env": {
-      "GYP_DEFINES": "asan=1 clang=1 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]/goma' lsan=1 target_arch=x64 use_allocator=none use_goma=1"
+      "GYP_DEFINES": "asan=1 clang=1 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]/goma' linux_dump_symbols=1 lsan=1 target_arch=x64 use_allocator=none use_goma=1"
     },
     "name": "gclient runhooks (with patch)"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/compile.py",
       "--target",
       "Release",
@@ skipping 27 matching lines @@
     "name": "nacl_integration (with patch)",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"failures\": [], @@@",
       "@@@STEP_LOG_LINE@json.output@  \"valid\": true@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   }
 ]