Remove BuildInfo#isGreaterThanN()

build/android/lint/suppressions.xml

 <?xml version="1.0" encoding="utf-8"?>
 <lint>
   <!--
 STOP! It looks like you want to suppress some lint errors:
 - Have you tried identifing the offending patch?
   Ask the author for a fix and/or revert the patch.
 - It is preferred to add suppressions in the code instead of
   sweeping it under the rug here. See:
 
     http://developer.android.com/tools/debugging/improving-w-lint.html
@@ skipping 305 matching lines @@
     <ignore regexp="chrome/android/java/res/drawable-hdpi/pageinfo_good.png"/>
     <ignore regexp="chrome/android/java/res/drawable-hdpi/pageinfo_warning.png"/>
     <ignore regexp="chrome/android/java/res/drawable-hdpi/permission_images.png"/>
     <ignore regexp="chrome/android/java/res/drawable-hdpi/pr_generic.png"/>
     <ignore regexp="chrome/android/java/res/drawable-hdpi/progress_bar_background_white.9.png"/>
     <ignore regexp="chrome/android/java/res/drawable-hdpi/shortcut_incognito.png"/>
     <ignore regexp="chrome/android/java/res/drawable-hdpi/shortcut_newtab.png"/>
     <ignore regexp="chrome/android/java/res/drawable-hdpi/signin_promo_illustration.png"/>
     <ignore regexp="chrome/android/java/res/drawable-nodpi/missing.png"/>
     <ignore regexp="chrome/android/java/res/values-v17/styles.xml"/>
-    <!--
-        This file isn't used if the target SDK version is less than 24.
-        TODO(estevenson) remove this and the conditional inclusion in
-        AndroidManifest.xml after rolling to SDK 24.
-    -->
-    <ignore regexp="chrome/android/java/res/xml/network_security_config.xml"/>
     <ignore regexp="chromecast/browser/android/apk/res/values/strings.xml"/>
     <ignore regexp="chromecast/internal"/>
     <ignore regexp="clank"/>
     <ignore regexp="content/shell/android/java/res/mipmap-hdpi/app_icon.png"/>
     <ignore regexp="gen/android_webview/locale_paks.resources.zip/*"/>
     <ignore regexp="gen/android_webview/strings_grd.resources.zip/values/android_webview_strings.xml"/>
     <ignore regexp="gen/components/strings/components_strings_grd.resources.zip/values.*/components_strings.xml"/>
     <ignore regexp="gen/remoting/resources/strings_java.resources.zip/values/remoting_strings.xml"/>
     <ignore regexp="remoting/android/java/res/drawable-hdpi/ic_backspace.png"/>
     <ignore regexp="remoting/android/java/res/drawable-hdpi/ic_cardboard.png"/>
@@ skipping 107 matching lines @@
   </issue>
   <issue id="ViewConstructor" severity="ignore"/>
   <issue id="WrongCall" severity="ignore"/>
   <issue id="WrongConstant">
     <ignore regexp="chrome/android/java/src/org/chromium/chrome/browser/SSLClientCertificateRequest.java"/>
     <ignore regexp="chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorView.java"/>
     <ignore regexp="chrome/android/java/src/org/chromium/chrome/browser/signin/SigninAndSyncView.java"/>
     <ignore regexp="content/public/android/java/src/org/chromium/content/browser/ChildProcessConnectionImpl.java"/>
   </issue>
 </lint>