Update to newer Android Lint and suppress new Lint errors

chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java b/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
index 7adf8f3fe38a6ac120234f100a7d9933a91240c6..34b1aac69b10d9be6bc645c82cb9ca2f54d547eb 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
@@ -5,6 +5,7 @@
 package org.chromium.chrome.browser.signin;
 
 import android.accounts.Account;
+import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.Context;
 import android.os.Handler;
@@ -43,6 +44,8 @@ import javax.annotation.Nullable;
 public class SigninManager implements AccountTrackerService.OnSystemAccountsSeededListener {
     private static final String TAG = "SigninManager";
 
+    // TODO(crbug.com/635567): Fix this properly.
+    @SuppressLint("StaticFieldLeak")
     private static SigninManager sSigninManager;
     private static int sSignInAccessPoint = SigninAccessPoint.UNKNOWN;