fix android builds

udp/udp_raw_linux.go

@@ -1,5 +1,5 @@
-//go:build !e2e_testing
-// +build !e2e_testing
+//go:build !android && !e2e_testing
+// +build !android,!e2e_testing
 
 package udp
 

udp/udp_raw_unsupported.go

@@ -1,5 +1,6 @@
-//go:build !linux || e2e_testing
-// +build !linux e2e_testing
+//go:build (!linux || android) && !e2e_testing
+// +build !linux android
+// +build !e2e_testing
 
 package udp