[fuchsia-zircon][rust] Add pager syscalls.

TEST: Build.
Change-Id: I9fb099c3f9ea01c8c12ae363d8a1467b27dc03c4
diff --git a/garnet/public/rust/fuchsia-zircon/fuchsia-zircon-sys/src/definitions.rs b/garnet/public/rust/fuchsia-zircon/fuchsia-zircon-sys/src/definitions.rs
index 6d67b42..b3eb5e4 100644
--- a/garnet/public/rust/fuchsia-zircon/fuchsia-zircon-sys/src/definitions.rs
+++ b/garnet/public/rust/fuchsia-zircon/fuchsia-zircon-sys/src/definitions.rs
@@ -829,6 +829,34 @@
         bootimage_vmo: zx_handle_t,
         ) -> zx_status_t;
 
+    pub fn zx_pager_create(
+        options: u32,
+        out: *mut zx_handle_t
+        ) -> zx_status_t;
+
+    pub fn zx_pager_create_vmo(
+        pager: zx_handle_t,
+        options: u32,
+        port: zx_handle_t,
+        key: u64,
+        size: u64,
+        out: *mut zx_handle_t
+        ) -> zx_status_t;
+
+    pub fn zx_pager_detach_vmo(
+        pager: zx_handle_t,
+        vmo: zx_handle_t
+        ) -> zx_status_t;
+
+    pub fn zx_pager_supply_pages(
+        pager: zx_handle_t,
+        pager_vmo: zx_handle_t,
+        offset: u64,
+        length: u64,
+        aux_vmo: zx_handle_t,
+        aux_offset: u64
+        ) -> zx_status_t;
+
     pub fn zx_syscall_test_0(
         ) -> zx_status_t;