Remove BuildInfo#isGreaterThanN()

base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java

Index: base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
diff --git a/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java b/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
index 986973da036f0f32e814c2036a9fc8d22def6325..406f328c18058b11c6c8d72d85d429df38a368ad 100644
--- a/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
+++ b/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
@@ -36,7 +36,6 @@ import android.view.inputmethod.InputMethodSubtype;
 import android.widget.TextView;
 
 import java.io.File;
-import java.lang.reflect.Method;
 
 /**
  * Utility class to use new APIs that were added after ICS (API level 14).
@@ -573,22 +572,13 @@ public class ApiCompatibilityUtils {
      * @param context The Android context, used to retrieve the UserManager system service.
      * @return Whether the device is running in demo mode.
      */
+    @SuppressWarnings("NewApi")
     public static boolean isDemoUser(Context context) {
-        // UserManager#isDemoUser() is only available in Android versions greater than N.
-        if (!BuildInfo.isGreaterThanN()) return false;
-
-        try {
-            UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
-            Method isDemoUserMethod = UserManager.class.getMethod("isDemoUser");
-            boolean isDemoUser = (boolean) isDemoUserMethod.invoke(userManager);
-            return isDemoUser;
-        } catch (RuntimeException e) {
-            // Ignore to avoid crashing on startup.
-        } catch (Exception e) {
-            // Ignore.
-        }
+        // UserManager#isDemoUser() is only available in Android NMR1+.
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1) return false;
 
-        return false;
+        UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
+        return userManager.isDemoUser();
     }
 
     /**