makes extension contribute breakpoints using new package.json schema: https://code.visualstudio.com/updates/v1_42#_implement-a-debug-adapter-inside-an-extension

[chrisbond]

minimize diff content

[clayborg]

Should we leave the old one there in case this extension is loaded in an older IDE?

[chrisbond]

restore deprecated enableBreakpointsFor section to package.json to support older vscode releases. newer releases ignore this section.

[chrisbond]

Thanks. Since I don't yet have commit access, could you go ahead and commit this change for me?

lldb/tools/lldb-vscode/package.json

"contributes": {
     ],
     "grammars": [
       {
                 "language": "lldb.disassembly",
                 "scopeName": "source.disassembly",
                 "path": "./syntaxes/disassembly.json"
             }
         ],
+        "breakpoints": [
+          {
+            "language": "ada"
+          },
+          {
+            "language": "arm"
+          },
+          {
+            "language": "asm"
+          },
+          {
+            "language": "c"
+          },
+          {
+            "language": "cpp"
+          },
+          {
+            "language": "crystal"
+          },
+          {
+            "language": "d"
+          },
+          {
+            "language": "fortan"
+          },
+          {
+            "language": "fortran-modern"
+          },
+          {
+            "language": "nim"
+          },
+          {
+            "language": "objective-c"
+          },
+          {
+            "language": "objectpascal"
+          },
+          {
+            "language": "pascal"
+          },
+          {
+            "language": "rust"
+          },
+          {
+            "language": "swift"
+          }
+        ],
     "debuggers": [
       {
         "type": "lldb-vscode",
         "label": "Native LLDB Debugger",
         "enableBreakpointsFor": {
           "languageIds": [
             "ada",
             "arm",