Add the new ImageMutatorSupported method for ImageInterface

Implementors of ImageInterface must now provide an ImageMutatorSupported
method.

Test: builds
Change-Id: Id460d8645421aa1715256424251aaf2711dba582

wayland_protocol_codegen.go

diff --git a/wayland_protocol_codegen.go b/wayland_protocol_codegen.go
index 2294c53..d78c339 100644
--- a/wayland_protocol_codegen.go
+++ b/wayland_protocol_codegen.go
@@ -634,6 +634,7 @@
 type noopImageInterface struct{}
 
 func (x noopImageInterface) ImageMutatorBegin(android.ImageInterfaceContext)         {}
+func (x noopImageInterface) ImageMutatorSupported() bool                             { return false }
 func (x noopImageInterface) VendorVariantNeeded(android.ImageInterfaceContext) bool  { return false }
 func (x noopImageInterface) ProductVariantNeeded(android.ImageInterfaceContext) bool { return false }
 func (x noopImageInterface) CoreVariantNeeded(android.ImageInterfaceContext) bool    { return false }