Update Learn More link for settings printer PPD selection

Bug: 981958
Change-Id: I518d7bd98a0bf7ee7075d4f9e95f464c0e17ce89
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1687282
Commit-Queue: Bailey Berro <baileyberro@chromium.org>
Reviewed-by: Bailey Berro <baileyberro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#675624}

chrome/common/url_constants.cc

@@ -289,7 +289,7 @@ const char kCupsPrintLearnMoreURL[] =
     "https://support.google.com/chromebook?p=chromebook_printing";
 
 const char kCupsPrintPPDLearnMoreURL[] =
-    "https://support.google.com/chromebook?p=chromebook_printing";
+    "https://support.google.com/chromebook/?p=printing_advancedconfigurations";
 
 const char kEasyUnlockLearnMoreUrl[] =
     "https://support.google.com/chromebook/?p=smart_lock";