Fixed Small Typo in Emulators Test Name (#143578)

Fixed Small Typo in Emulators Test Name. I filed #140656 and it was fixed in #142853. I noticed this one there and decided to send a fix.

packages/flutter_tools/test/general.shard/emulator_test.dart

@@ -87,7 +87,7 @@ void main() {
         returnsNormally);
     });
 
-    testUsingContext('printEmulators prints the the emualtors information with header', () {
+    testUsingContext('printEmulators prints the emualtors information with header', () {
       Emulator.printEmulators(emulators, testLogger);
 
       expect(testLogger.statusText, '''