Add Gradle build support am: 2a953d172d am: 85fb0f28c4 am: 75754a63dc
am: e35748b3c2

Change-Id: I8f7eb79825d3c68c22f84d3c8a1f6fe2e7c7f0ee
tree: fd611cad36e544564269e1901007b0aa0027a700
  1. src/
  2. tests/
  3. Android.mk
  4. build.gradle
  5. COPYRIGHT.txt
  6. impl.html