Update links in the Linux changelog.

- Change Linux changelog links to https.
- Update the links to point to googleblog.com.
- Reorder the cases to stable/beta/dev.

The updated URLs are short enough to fit on line, so debchange won't cut
them off anymore.

Bug: 428613

Change-Id: I5aeb151c10fb202ab1f3b77ff4554ed6b486c84e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1810458Reviewed-by: Michael Moss <mmoss@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697657}

chrome/installer/linux/debian/build.sh

@@ -153,15 +153,15 @@ verify_channel() {
   case $CHANNEL in
     stable )
       CHANNEL=stable
-      RELEASENOTES="http://googlechromereleases.blogspot.com/search/label/Stable%20updates"
+      RELEASENOTES="https://chromereleases.googleblog.com/search/label/Stable%20updates"
       ;;
-    unstable|dev|alpha )
-      CHANNEL=unstable
-      RELEASENOTES="http://googlechromereleases.blogspot.com/search/label/Dev%20updates"
-      ;;
-    testing|beta )
+    beta|testing )
       CHANNEL=beta
-      RELEASENOTES="http://googlechromereleases.blogspot.com/search/label/Beta%20updates"
+      RELEASENOTES="https://chromereleases.googleblog.com/search/label/Beta%20updates"
+      ;;
+    dev|unstable|alpha )
+      CHANNEL=unstable
+      RELEASENOTES="https://chromereleases.googleblog.com/search/label/Dev%20updates"
       ;;
     * )
       echo