Declare dependency on sanitizer runtime libraries

Moving the last users of a sanitizer runtime library to soong was
causing the runtime library to stop getting installed.  Declare
the dependency so make keeps installing it.

Test: builds
Change-Id: Ieeb9ad5c04ac8df0d1a74239da393dac5cab2b03
diff --git a/cc/androidmk.go b/cc/androidmk.go
index f853b13..cba8782 100644
--- a/cc/androidmk.go
+++ b/cc/androidmk.go
@@ -76,6 +76,9 @@
 
 	c.subAndroidMk(&ret, c.compiler)
 	c.subAndroidMk(&ret, c.linker)
+	if c.sanitize != nil {
+		c.subAndroidMk(&ret, c.sanitize)
+	}
 	c.subAndroidMk(&ret, c.installer)
 
 	if c.vndk() {