Kill hanging dartaotruntime_product processes on the bots

This should fix errors:

lld-link: error: failed to write output './dartaotruntime_product.exe': permission denied
Change-Id: I29be76190d3ed254dfa8ce18f08d7a4dbde4106c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/403080
Commit-Queue: Alexander Aprelev <[email protected]>
Commit-Queue: Alexander Markov <[email protected]>
Auto-Submit: Alexander Markov <[email protected]>
Reviewed-by: Alexander Aprelev <[email protected]>

Author: alexmarkov

tools/task_kill.py

@@ -27,6 +27,7 @@
         'crashpad_handler': 'crashpad_handler.exe',
         'dart': 'dart.exe',
         'dartaotruntime': 'dartaotruntime.exe',
+        'dartaotruntime_product': 'dartaotruntime_product.exe',
         'firefox': 'firefox.exe',
         'gen_snapshot': 'gen_snapshot.exe',
         'git': 'git.exe',
@@ -38,6 +39,7 @@
         'chrome': 'chrome',
         'dart': 'dart',
         'dartaotruntime': 'dartaotruntime',
+        'dartaotruntime_product': 'dartaotruntime_product',
         'firefox': 'firefox',
         'gen_snapshot': 'gen_snapshot',
         'flutter_tester': 'flutter_tester',
@@ -48,6 +50,7 @@
         'chrome_helper': 'Chrome Helper',
         'dart': 'dart',
         'dartaotruntime': 'dartaotruntime',
+        'dartaotruntime_product': 'dartaotruntime_product',
         'firefox': 'firefox',
         'gen_snapshot': 'gen_snapshot',
         'git': 'git',
@@ -259,6 +262,7 @@ def KillDart():
     status = Kill("dart", dump_stacks=True)
     status += Kill("gen_snapshot", dump_stacks=True)
     status += Kill("dartaotruntime", dump_stacks=True)
+    status += Kill("dartaotruntime_product", dump_stacks=True)
     status += Kill("flutter_tester", dump_stacks=True)
     status += Kill("crashpad_handler", dump_stacks=True)
     return status