Rearranging iree/vm/ to reduce a public + cc target.

bindings/python/pyiree/rt/BUILD

diff --git a/bindings/python/pyiree/rt/BUILD b/bindings/python/pyiree/rt/BUILD
index fdd83f7..da75f1e 100644
--- a/bindings/python/pyiree/rt/BUILD
+++ b/bindings/python/pyiree/rt/BUILD
@@ -89,10 +89,6 @@
         "//iree/modules/tensorlist:native_module",
         "//iree/vm",
         "//iree/vm:bytecode_module",
-        "//iree/vm:invocation",
-        "//iree/vm:list",
-        "//iree/vm:module",
-        "//iree/vm:ref",
         "@com_google_absl//absl/container:inlined_vector",
         "@com_google_absl//absl/memory",
         "@com_google_absl//absl/strings",

bindings/python/pyiree/rt/function_abi.cc

diff --git a/bindings/python/pyiree/rt/function_abi.cc b/bindings/python/pyiree/rt/function_abi.cc
index e92adf1..3cc046c 100644
--- a/bindings/python/pyiree/rt/function_abi.cc
+++ b/bindings/python/pyiree/rt/function_abi.cc
@@ -24,8 +24,7 @@
 #include "iree/base/signature_mangle.h"
 #include "iree/hal/api.h"
 #include "iree/modules/hal/hal_module.h"
-#include "iree/vm/list.h"
-#include "iree/vm/ref.h"
+#include "iree/vm/api.h"
 
 namespace iree {
 namespace python {

bindings/python/pyiree/rt/vm.cc

diff --git a/bindings/python/pyiree/rt/vm.cc b/bindings/python/pyiree/rt/vm.cc
index f7e0031..ce1a271 100644
--- a/bindings/python/pyiree/rt/vm.cc
+++ b/bindings/python/pyiree/rt/vm.cc
@@ -24,8 +24,7 @@
 #include "iree/modules/hal/hal_module.h"
 #include "iree/modules/strings/strings_module.h"
 #include "iree/modules/tensorlist/native_module.h"
-#include "iree/vm/invocation.h"
-#include "iree/vm/module.h"
+#include "iree/vm/api.h"
 
 namespace iree {
 namespace python {

bindings/python/pyiree/rt/vm.h

diff --git a/bindings/python/pyiree/rt/vm.h b/bindings/python/pyiree/rt/vm.h
index e65560c..34302bc 100644
--- a/bindings/python/pyiree/rt/vm.h
+++ b/bindings/python/pyiree/rt/vm.h
@@ -21,7 +21,6 @@
 #include "iree/base/api.h"
 #include "iree/vm/api.h"
 #include "iree/vm/bytecode_module.h"
-#include "iree/vm/list.h"
 
 namespace iree {
 namespace python {