Use CAP_MASK_LONG for file capabilities.

Extract the |1ULL << $CAP_NAME| construct to a macro, to avoid
repeating it.

Change-Id: I9312c27130d7e6c5b6ab3b4cc5c70a6b98378b98
diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
index 7047e0f..3e8d62a 100644
--- a/include/private/android_filesystem_config.h
+++ b/include/private/android_filesystem_config.h
@@ -32,6 +32,8 @@
 #include "android_filesystem_capability.h"
 #endif
 
+#define CAP_MASK_LONG(cap_name)  (1ULL << (cap_name))
+
 /* This is the master Users and Groups config for the platform.
  * DO NOT EVER RENUMBER
  */
diff --git a/libcutils/fs_config.c b/libcutils/fs_config.c
index 5f6f8f9..27981ff 100644
--- a/libcutils/fs_config.c
+++ b/libcutils/fs_config.c
@@ -135,8 +135,8 @@
     { 04770, AID_ROOT,      AID_RADIO,     0, "system/bin/pppd-ril" },
 
     /* the following files have enhanced capabilities and ARE included in user builds. */
-    { 00750, AID_ROOT,      AID_SHELL,     (1ULL << CAP_SETUID) | (1ULL << CAP_SETGID), "system/bin/run-as" },
-    { 00700, AID_SYSTEM,    AID_SHELL,     (1ULL << CAP_BLOCK_SUSPEND), "system/bin/inputflinger" },
+    { 00750, AID_ROOT,      AID_SHELL,     CAP_MASK_LONG(CAP_SETUID) | CAP_MASK_LONG(CAP_SETGID), "system/bin/run-as" },
+    { 00700, AID_SYSTEM,    AID_SHELL,     CAP_MASK_LONG(CAP_BLOCK_SUSPEND), "system/bin/inputflinger" },
 
     { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/uncrypt" },
     { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/install-recovery.sh" },