Update default try job set of bots in PRESUBMIT.py.

PRESUBMIT.py

Index: PRESUBMIT.py
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 29ef3efee038cf4c99fba4927a2b9fdaff6ac215..4f0c266fc4a4a97d9ae0e4053bc1bf90100ffa77 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -332,17 +332,17 @@ def CheckChangeOnCommit(input_api, output_api):
 def GetPreferredTryMasters(project, change):
     return {
         'tryserver.blink': {
+            'android_blink_compile_dbg': set(['defaulttests']),
+            'android_blink_compile_rel': set(['defaulttests']),
+            'android_chromium_gn_compile_rel': set(['defaulttests']),
             'linux_blink_dbg': set(['defaulttests']),
             'linux_blink_rel': set(['defaulttests']),
+            'linux_chromium_gn_rel': set(['defaulttests']),
             'mac_blink_compile_dbg': set(['defaulttests']),
             'mac_blink_rel': set(['defaulttests']),
             'win_blink_compile_dbg': set(['defaulttests']),
             'win_blink_rel': set(['defaulttests']),
         },
-        'tryserver.chromium': {
-            'blink_android_compile_dbg': set(['defaulttests']),
-            'blink_android_compile_rel': set(['defaulttests']),
-        },
         'tryserver.chromium.gpu': {
             'linux_gpu': set(['defaulttests']),
             'mac_gpu': set(['defaulttests']),