T-API: extended performance tests to test 3 channels

<b>merge with opencv_extra https://github.com/Itseez/opencv_extra/pull/141</b>

check_regression=*OCL_WarpAffineFixture*:*OCL_WarpPerspectiveFixture*:*OCL_ResizeFixture*:*OCL_ResizeAreaFixture*:*OCL_AddFixture*:*OCL_SubtractFixture*:*OCL_MulFixture*:*OCL_DivFixture*:*OCL_AbsDiffFixture*:*OCL_BitwiseAndFixture*:*OCL_BitwiseXorFixture*:*OCL_BitwiseOrFixture*:*OCL_BitwiseNotFixture*:*OCL_AddWeightedFixture*