Fix missing AOSP copyright headers for more files

o Update the copyright date on InputDispatcher_test.cpp and InputReader_test.cpp
  because these two files were moved from other places to the current location,
  and were actually created in 2010.

bug - 4119349

Change-Id: Ic93b81ddafb58e9e72a2e9e02ca3d9f173d6dca7