Use validating form of IPC enum macros for autofill param traits.

This is part of a long-running background task to remove the remaining
uses of the unchecked IPC_ENUM_TRAITS() macro.

BUG=246708

Review URL: https://codereview.chromium.org/157023002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249780 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249780
Update chrome-remote-desktop debian package to register apk repo.

Also fixed installation of locale packs.

BUG=149744
R=lambroslambrou@chromium.org

Review URL: https://codereview.chromium.org/157143002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249781 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249781