libhwminijail from hardware/interfaces to libhidl.

This library is not a hardware interface, so it doesn't
belong directly in hardware/interfaces. Moving it to
libhidl because it is intended to be a helper library for
hal implementations that want to use minijail/seccomp.

Test: pass
Change-Id: I3f9503f491788492c6692d6584eb088e47862c7a
diff --git a/minijail/Android.bp b/minijail/Android.bp
deleted file mode 100644
index c01a12b..0000000
--- a/minijail/Android.bp
+++ /dev/null
@@ -1,13 +0,0 @@
-cc_library_shared {
-    name: "libhwminijail",
-    defaults: ["hidl_defaults"],
-    vendor: true,
-    export_include_dirs: ["include"],
-
-    srcs: ["HardwareMinijail.cpp"],
-
-    shared_libs: [
-        "libbase",
-        "libminijail",
-    ],
-}
diff --git a/minijail/HardwareMinijail.cpp b/minijail/HardwareMinijail.cpp
deleted file mode 100644
index e6b1144..0000000
--- a/minijail/HardwareMinijail.cpp
+++ /dev/null
@@ -1,45 +0,0 @@
-//
-// Copyright (C) 2017 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-#include <android-base/logging.h>
-#include <libminijail.h>
-
-#include <hwminijail/HardwareMinijail.h>
-
-namespace android {
-namespace hardware {
-
-void SetupMinijail(const std::string& seccomp_policy_path) {
-    if (access(seccomp_policy_path.c_str(), R_OK) == -1) {
-        LOG(WARNING) << "Could not find seccomp policy file at: " << seccomp_policy_path;
-        return;
-    }
-
-    struct minijail* jail = minijail_new();
-    if (jail == NULL) {
-        LOG(FATAL) << "Failed to create minijail.";
-    }
-
-    minijail_no_new_privs(jail);
-    minijail_log_seccomp_filter_failures(jail);
-    minijail_use_seccomp_filter(jail);
-    minijail_parse_seccomp_filters(jail, seccomp_policy_path.c_str());
-    minijail_enter(jail);
-    minijail_destroy(jail);
-}
-
-}  // namespace hardware
-}  // namespace android
diff --git a/minijail/include/hwminijail/HardwareMinijail.h b/minijail/include/hwminijail/HardwareMinijail.h
deleted file mode 100644
index 8fcf007..0000000
--- a/minijail/include/hwminijail/HardwareMinijail.h
+++ /dev/null
@@ -1,30 +0,0 @@
-//
-// Copyright (C) 2017 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-#ifndef ANDROID_HARDWARE_CONFIGSTORE_MINIJAIL_H
-#define ANDROID_HARDWARE_CONFIGSTORE_MINIJAIL_H
-
-#include <string>
-
-namespace android {
-namespace hardware {
-
-void SetupMinijail(const std::string& seccomp_policy_path);
-
-}  // namespace hardware
-}  // namespace android
-
-#endif  // ANDROID_HARDWARE_CONFIGSTORE_UTILS_H