(Android) Fix regression in Xperia Play controls

Regression introduced in commit
4fa8d0f3c6f9c37c30a4628da81023606c91f9e2

Confirmed working on Xperia Play R800x (US Verizon model), stock
firmware, Gingerbread 2.3.3, no OTA updates, not rooted.
Merge pull request #237 from littleguy77/fix-xperia-play-controls

(Android) Fix regression in Xperia Play controls