Do not install VNDK lib in favor of VNDK APEX

Since VNDK APEX replaces VNDK lib /system/lib/vndk{-sp}, VNDK libs are
not installed.

Bug: 141451661
Test: m && boot device
Change-Id: I14686927a56ded5176839c89f29a2fd7e0fca658

cc/androidmk.go

@@ -93,6 +93,11 @@ func (c *Module) AndroidMk() android.AndroidMkData {
 					fmt.Fprintln(w, "LOCAL_USE_VNDK := true")
 					if c.IsVndk() && !c.static() {
 						fmt.Fprintln(w, "LOCAL_SOONG_VNDK_VERSION := "+c.vndkVersion())
+						// VNDK libraries available to vendor are not installed because
+						// they are packaged in VNDK APEX and installed by APEX packages (apex/apex.go)
+						if !c.isVndkExt() {
+							fmt.Fprintln(w, "LOCAL_UNINSTALLABLE_MODULE := true")
+						}
 					}
 				}
 			},