Remove obsolete __BRILLO__ flag

Test: none
Change-Id: I221265a452e12b168af8d4cca9a61f43946f8214
diff --git a/dhcpcd.c b/dhcpcd.c
index 28a472c..85b50db 100644
--- a/dhcpcd.c
+++ b/dhcpcd.c
@@ -1447,9 +1447,9 @@
 #endif
 	char ifn[IF_NAMESIZE];
 
-#if defined(__ANDROID__) && !defined(__BRILLO__)
+#if defined(__ANDROID__)
 	switch_user();
-#endif  /* __ANDROID__ && !__BRILLO__ */
+#endif  /* __ANDROID__ */
 
 	/* Test for --help and --version */
 	if (argc > 1) {