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/include/oboe/NOTICE b/media/liboboe/include/oboe/NOTICE
new file mode 100644
index 0000000..d6c0922
--- /dev/null
+++ b/media/liboboe/include/oboe/NOTICE
@@ -0,0 +1,13 @@
+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.