Add 4.19 to compatibility_matrix.current.xml

We will remove 4.4 once 4.19 settles down.

Bug: 116969327
Bug: 118439987
Change-Id: Ida11841bf972e6fde7171c839ad1ac32d85f9cbc
Signed-off-by: Alistair Strachan <astrachan@google.com>
1 file changed