Modification of testSetHorizontalSpacing()

Whenever the horizontal resolution exceeds 1056 dots,

testSetHorizontalSpacing() is failed.

The parameter of mGridView.setNumColumns() is changed from 22 to 28.

The test case is also passed on a terminal  of horizontal resolution
of 1344 dots.

Change-Id: Id268f167319f833bd35f7e60b04c461101d7042a
1 file changed