Add App Check token to FirebaseServerApp #13232

Job	Run time
Build Firestore	6m 53s
Test Firestore Compatible on Firefox	6m 21s
Test Firestore Compatible	5m 7s
Test Nightly Firestore with Chrome	0s
Test Firestore (test:browser)	8m 17s
Test Firestore (test:travis)	3m 46s
Test Firestore (test:lite:browser)	1m 25s
Test Firestore (test:browser:prod:nameddb)	8m 4s
Test Firestore Compatible on Webkit	5m 25s
Test Firestore (test:lite:browser:nameddb)	1m 19s
Test Firestore on Firefox (test:browser)	9m 14s
Test Firestore on Webkit (test:browser)	12m 8s
Test Firestore on Firefox (test:travis)	4m 27s
Test Firestore on Webkit (test:lite:browser)	1m 46s
Test Firestore on Firefox (test:lite:browser)	1m 42s
Test Firestore on Webkit (test:browser:prod:nameddb)	12m 51s
Test Firestore on Firefox (test:browser:prod:nameddb)	7m 6s
Test Firestore on Webkit (test:lite:browser:nameddb)	2m 5s
Test Firestore on Firefox (test:lite:browser:nameddb)	1m 40s
Check all required tests results	1s
	1h 39m 37s

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