[Settings] add readable tests to presubmit

This will enforce the readable tests for changes made to Settings.java.

Test: atest
BUG: 183530680
Change-Id: Ie91350b29c10868cecd2c2fe4eba378278b3cb23
diff --git a/core/java/android/provider/TEST_MAPPING b/core/java/android/provider/TEST_MAPPING
index ae2836f..c55572e 100644
--- a/core/java/android/provider/TEST_MAPPING
+++ b/core/java/android/provider/TEST_MAPPING
@@ -19,6 +19,14 @@
         },
         {
             "name": "SettingsProviderTest"
+        },
+        {
+            "name": "CtsAppSecurityHostTestCases",
+            "options": [
+                {
+                    "include-filter": "android.appsecurity.cts.ReadableSettingsFieldsTest"
+                }
+            ]
         }
     ]
 }