[AW] Use WebView's LicenseContentProvider in Monochrome

This deletes Monochrome's LicenseContentProvider and makes it use
WebView's implementation as SystemWebView and Trichrome do.

Test: Start monochrome's LicenseActivity, then start monochrome
Bug: 934152
Change-Id: I8db38a219c932726659af08593aad6a9b7c178ba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1860402
Reviewed-by: Andrew Grieve <[email protected]>
Reviewed-by: Richard Coles <[email protected]>
Commit-Queue: Robbie McElrath <[email protected]>
Cr-Commit-Position: refs/heads/master@{#707651}
diff --git a/BUILD.gn b/BUILD.gn
index b2d4f2f..a0153dd 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -387,6 +387,10 @@
     if (enable_chrome_android_internal) {
       deps += [ "//clank" ]
     }
+
+    if (public_android_sdk) {
+      deps += [ "//chrome/android/monochrome:monochrome_apk_checker" ]
+    }
   }
 
   # NOTE: The following should really be 'is_android', but the fuzzing build