Add Fast Pair to System Settings

Test: manual - took a screen capture https://photos.app.goo.gl/YgkVkAqxib4DwFs49 unit tests passed.
Bug: 203579197

Change-Id: Ie15ede111f7cdd1fc635fb9c475fe210d3f7f91b
diff --git a/tests/unit/README b/tests/unit/README
index 5a85603..1c4d99f 100644
--- a/tests/unit/README
+++ b/tests/unit/README
@@ -4,7 +4,7 @@
 A single class can also be tested with the following command
 $ atest -c <YourClassName>
 
-// The following instrutions show how to run the test suite using make + adb //
+// The following instructions show how to run the test suite using make + adb //
 
 To build the tests you can use the following command at the root of your android source tree
 $ make SettingsUnitTests