Make host ashmem_create_region seed only once.

Not seeding this each call should help reduce collisions when multiple
threads are calling ashmem_create_region. Also cleaned up code by
deleting gotos, and making formatting consistent.

Bug: 15394258

(cherry picked from commit 1104ae8cfc0e5144e7d796cf29ee124d05401cbf)

Change-Id: Iafdaea57b2317e0eb7c40d7b5595c523814fd88c
diff --git a/libcutils/Android.mk b/libcutils/Android.mk
index e1d6f49..20ad7ea 100644
--- a/libcutils/Android.mk
+++ b/libcutils/Android.mk
@@ -40,9 +40,6 @@
 	iosched_policy.c \
 	str_parms.c \
 
-commonHostSources := \
-        ashmem-host.c
-
 # some files must not be compiled when building against Mingw
 # they correspond to features not used by our host development tools
 # which are also hard or even impossible to port to native Win32
@@ -61,13 +58,16 @@
     commonSources += \
         fs.c \
         multiuser.c \
-	socket_inaddr_any_server.c \
-	socket_local_client.c \
-	socket_local_server.c \
-	socket_loopback_client.c \
-	socket_loopback_server.c \
-	socket_network_client.c \
-	sockets.c \
+        socket_inaddr_any_server.c \
+        socket_local_client.c \
+        socket_local_server.c \
+        socket_loopback_client.c \
+        socket_loopback_server.c \
+        socket_network_client.c \
+        sockets.c \
+
+    commonHostSources += \
+        ashmem-host.c
 
 endif