liboboe: initial checkin of core and legacy files.

Oboe C++ files that calls AudioTrack and AudioRecord.
Main C API implemented by src/core/OboeAudio.cpp

Test: gunit tests for the Legacy mode and handle tracker in tests folder
Bug: 33347409
Change-Id: I50f9fd99377efbd8de6fef1601e9af4c22c6ab46
Signed-off-by: Phil Burk <philburk@google.com>
diff --git a/media/liboboe/Android.bp b/media/liboboe/Android.bp
new file mode 100644
index 0000000..0d22e65
--- /dev/null
+++ b/media/liboboe/Android.bp
@@ -0,0 +1,27 @@
+// 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.
+
+ndk_headers {
+    name: "libOboe_headers",
+    from: "include",
+    to: "",
+    srcs: ["include/oboe/*.h"],
+    license: "include/oboe/NOTICE",
+}
+
+ndk_library {
+    name: "liboboe.ndk",
+    symbol_file: "liboboe.map.txt",
+    first_version: "26",
+}