Default properties are namespace aware

Keep the namespace information when storing default property values.
The default style is a special case, so we store those separately.

Bug: 74847406
Test: to be tested on the Studio end

Change-Id: I03f083d65bd51c5196e1b92d6e42661a1136d5e4
(cherry picked from commit 2f3d626d253448d5316622aa5570c6d7b19570a1)