Fix race condition in PID picker/atatch tests

Previously we were starting and resetting immediately, but sometimes if
this was slow we could end up in the exception breakpoints prompt and
stuck until timeout. Supress the prompt.

Author: puremourning

support/test/cpp/simple_c_program/.vimspector.json

@@ -100,13 +100,25 @@
       "extends": "cpptools (lldb)",
       "configuration": {
         "request": "attach"
+      },
+      "breakpoints": {
+        "exception": {
+          "cpp_throw": "",
+          "cpp_catch": ""
+        }
       }
     },
     "CodeLLDB-attach": {
       "extends": "CodeLLDB",
       "configuration": {
         "request": "attach",
         "pid": "${PickProcess(\"test\")}"
+      },
+      "breakpoints": {
+        "exception": {
+          "cpp_throw": "",
+          "cpp_catch": ""
+        }
       }
     }
   }