gstreamer1.0-plugins-base: Move bbappend to 1.16 version

This follows the OE-Core upgrade.

Signed-off-by: Carlos Rafael Giani <crg7475@mailbox.org>

diff --git a/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base_1.14.%.bbappend b/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base_1.16.%.bbappend
similarity index 100%
rename from recipes-multimedia/gstreamer/gstreamer1.0-plugins-base_1.14.%.bbappend
rename to recipes-multimedia/gstreamer/gstreamer1.0-plugins-base_1.16.%.bbappend