Integrate IOCipherThreadTest submitted by Aaron Huttner
Add some more features to ThreadTest
Add reset button to test.

There's a bug that prevents the strobing from starting automatically,
but I don't want to spend the time tracking this down (this is a simple
test case afterall), so you might need to manually start the strobing.
make the app debuggable
set target SDK to android-15 (4.0.3 Ice Cream Sandwich MR1)