build: Update file-header lint rule to Google LLC (angular#37205)

Update the file-header lint rule to properly reference Google LLC rather than Google Inc, for the required headers. PR Close angular#37205

Author: josephperrott

tslint.json

@@ -8,7 +8,10 @@
  "rules": {
  "file-header": [
  true,
- "Copyright Google Inc\\."
+ {
+ "match": "Copyright Google LLC",
+ "allow-single-line-comments": false
+ }
  ],
  "no-console": [
  true,
@@ -51,7 +54,10 @@
  "jsRules": {
  "file-header": [
  true,
- "Copyright Google Inc\\."
+ {
+ "match": "Copyright Google LLC",
+ "allow-single-line-comments": false
+ }
  ],
  "no-console": [
  true,