The support of Synaptics RMI4 over I2C is added to remote_aardvark

Class SynapticsTouchDevice is added. The format of the reported
events is the same as the format that was used in other i2c devices.
Also main.py is updated to be able to use the new class.
the following command can is used to test the device
python main.py -tsynaptics_ts_i2c

BUG=none
TEST=Manually tested and works

Change-Id: I1c31f7d03898dc49ada4ad97eb455372e6d44028
Reviewed-on: https://chromium-review.googlesource.com/280381
Reviewed-by: Charlie Mooney <[email protected]>
Tested-by: Amirhossein Simjour <[email protected]>
Commit-Queue: Amirhossein Simjour <[email protected]>
3 files changed