libcutils: Make /data/nativetest{,64}/* executable.

Make test files under /data/nativetest{,64} 0750 root:shell
to avoid needing to manually chmod them.

Bug: 25340994
Change-Id: I174cc226195907c0effa99063a8aa0082f85722b
diff --git a/libcutils/fs_config.c b/libcutils/fs_config.c
index 970b386..2a178aa 100644
--- a/libcutils/fs_config.c
+++ b/libcutils/fs_config.c
@@ -125,6 +125,8 @@
     { 00644, AID_MEDIA_RW,  AID_MEDIA_RW,  0, "data/media/*" },
     { 00644, AID_SYSTEM,    AID_SYSTEM,    0, "data/app-private/*" },
     { 00644, AID_APP,       AID_APP,       0, "data/data/*" },
+    { 00750, AID_ROOT,      AID_SHELL,     0, "data/nativetest/*" },
+    { 00750, AID_ROOT,      AID_SHELL,     0, "data/nativetest64/*" },
 
     /* the following four files are INTENTIONALLY set-uid, but they
      * are NOT included on user builds. */