Change hard-coded directory.

The tests are using /data/data which is not accessible to a non-root
user. Change this to /data/local/tmp which is accessible to all users.

Bug: 8291716

(cherry picked from commit 5227bb363dfdd0a4570cfa3d0735744daf7d83c2)

Change-Id: I83bf70aa8edd21b00321363d7ddcb65a5f048ba5
diff --git a/tests/statvfs_test.cpp b/tests/statvfs_test.cpp
index 8afc6fd..31ce66a 100644
--- a/tests/statvfs_test.cpp
+++ b/tests/statvfs_test.cpp
@@ -35,7 +35,7 @@
 #endif
 
 #if __BIONIC__
-  ASSERT_EQ(0, statvfs("/data/data", &sb));
+  ASSERT_EQ(0, statvfs("/data/local/tmp", &sb));
   ASSERT_NE(0U, sb.f_bfree);
   ASSERT_NE(0U, sb.f_ffree);
   ASSERT_NE(0U, sb.f_fsid);
@@ -59,7 +59,7 @@
 #endif
 
 #if __BIONIC__
-  fd = open("/data/data", O_RDONLY);
+  fd = open("/data/local/tmp", O_RDONLY);
   ASSERT_EQ(0, fstatvfs(fd, &sb));
   close(fd);
   ASSERT_NE(0U, sb.f_bfree);