Removed unnecessary tooltips from LayoutTesterApplication.

Added longer delay to avoid table resize problems.

Change-Id: I9929a23711932223991706bde2d7f06c551f0ec2
Replaced flaky TB2 test with stable TB3 test

Change-Id: I14afbd88d7aa22510f6c0dd605643c072b8e589f
Merge changes from origin/7.1

a71305c Removed unnecessary tooltips from LayoutTesterApplication.
7c569ca Replaced flaky TB2 test with stable TB3 test

Change-Id: I490aea06d1a9045ff071b64da1bfdc0f1b4937e6