Hidlized version of IMemory.

- Add hidl_memory type.
- Add android.hidl.memory@1.0 package
  - IMapper
  - IAllocator
  - IMemory
- Add libhidlmemory
- Add default implementation of android.hidl.memory@1.0
  - Ashmem
  - Ion (TODO, probably in another CL)

Test: compiles (WIP)
Change-Id: I4632eeb6a0051551b54ce04d919aaf551dfc5f28
diff --git a/libhidlmemory/Android.bp b/libhidlmemory/Android.bp
new file mode 100644
index 0000000..8f27065
--- /dev/null
+++ b/libhidlmemory/Android.bp
@@ -0,0 +1,43 @@
+// Copyright (C) 2016 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.
+
+cc_library_shared {
+    name: "libhidlmemory",
+    shared_libs: [
+        "libbase",
+        "liblog",
+        "libutils",
+        "libcutils",
+        "libhidlbase",
+        "libhidltransport",
+        "android.hidl.memory@1.0"
+    ],
+    local_include_dirs: ["include"],
+    export_include_dirs: ["include"],
+
+    export_shared_lib_headers: [
+        "android.hidl.memory@1.0",
+        "libhidlbase"
+    ],
+
+    srcs: [
+        "mapping.cpp"
+    ],
+
+    product_variables: {
+        debuggable: {
+            cflags: ["-DLIBHIDL_TARGET_DEBUGGABLE"],
+        },
+    },
+}