Update containerd to ec15fe95aa.

Signed-off-by: Lantao Liu <lantaol@google.com>

vendor/github.com/syndtr/gocapability/capability/capability_linux.go

@@ -428,11 +428,11 @@ func (c *capsV3) Load() (err error) {
 		}
 		if strings.HasPrefix(line, "CapB") {
 			fmt.Sscanf(line[4:], "nd:  %08x%08x", &c.bounds[1], &c.bounds[0])
-			break
+			continue
 		}
 		if strings.HasPrefix(line, "CapA") {
 			fmt.Sscanf(line[4:], "mb:  %08x%08x", &c.ambient[1], &c.ambient[0])
-			break
+			continue
 		}
 	}
 	f.Close()