Create new module CtsInputMethodTestCases

This CL copies CTS tests related to Input Method and Input Method
Framework out from CtsViewTestCases module into its own module. After
a continuous CTS test for this new module is set up and running, the
duplicated test in CtsViewTestCases should be removed (Bug 34648531).

Bug: 7542467
Test: Manually "run cts --module CtsInputMethodTestCases" and verify
      all tests are passed.
Change-Id: I86881c0145f510b2aa9424e2b90823ca517d2989
20 files changed