use camel case for ${command:pickProcess}

Author: matthewbastien

lldb/tools/lldb-dap/README.md

@@ -65,7 +65,7 @@ This will attach to a process `a.out` whose process ID is 123:
 }
 ```
 
-You can also use the variable substituion `${command:PickProcess}` to select a
+You can also use the variable substituion `${command:pickProcess}` to select a
 process at the start of the debug session instead of setting the pid manually:
 
 ```javascript
@@ -74,7 +74,7 @@ process at the start of the debug session instead of setting the pid manually:
   "request": "attach",
   "name": "Attach to PID",
   "program": "/tmp/a.out",
-  "pid": "${command:PickProcess}"
+  "pid": "${command:pickProcess}"
 }
 ```
 
@@ -237,7 +237,7 @@ the following `lldb-dap` specific key/value pairs:
 | Parameter                         | Type        | Req |         |
 |-----------------------------------|-------------|:---:|---------|
 | **program**                       | string      |     | Path to the executable to attach to. This value is optional but can help to resolve breakpoints prior the attaching to the program.
-| **pid**                           | number      |     | The process id of the process you wish to attach to. If **pid** is omitted, the debugger will attempt to attach to the program by finding a process whose file name matches the file name from **program**. Setting this value to `${command:PickProcess}` will allow interactive process selection in the IDE.
+| **pid**                           | number      |     | The process id of the process you wish to attach to. If **pid** is omitted, the debugger will attempt to attach to the program by finding a process whose file name matches the file name from **program**. Setting this value to `${command:pickProcess}` will allow interactive process selection in the IDE.
 | **waitFor**                       | boolean     |     | Wait for the process to launch.
 | **attachCommands**                | [string]    |     | LLDB commands that will be executed after **preRunCommands** which take place of the code that normally does the attach. The commands can create a new target and attach or launch it however desired. This allows custom launch and attach configurations. Core files can use `target create --core /path/to/core` to attach to core files.
 

lldb/tools/lldb-dap/package.json

@@ -147,7 +147,7 @@
           "program": "./bin/lldb-dap.exe"
         },
         "variables": {
-          "PickProcess": "lldb-dap.pickProcess"
+          "pickProcess": "lldb-dap.pickProcess"
         },
         "configurationAttributes": {
           "launch": {
@@ -527,7 +527,7 @@
               "type": "lldb-dap",
               "request": "attach",
               "name": "${1:Attach}",
-              "pid": "^\"\\${command:PickProcess}\""
+              "pid": "^\"\\${command:pickProcess}\""
             }
           },
           {