TouchInputMapper: Initialize mSurfaceRight and mSurfaceBottom.

Initialize mSurfaceRight and mSurfaceBottom in class TouchInputMapper
constructor. Reset TouchInputMapper in unit test.

Bug: 162974380
Test: atest MultiTouchInputMapperTest#Process_TouchpadCapture
Change-Id: I5e119c3f79a3bb318746038a1adcf79c0da95724
2 files changed