Fix failing TextActivityTest.

It seems like setOrientation(...) is not working.
Instead, fix the orientation of TextViewActivity to portrait.
See: I2f9372997f8301d800109981c6e1a6d4419b641d
Bug: 24495166

Change-Id: I0c5480b7ce6ba1fb8e4e4e3daabe94ebccca4dfd
2 files changed