frameworks/base: surfaceflinger: Use vertical quads for 90/270 orientation

Use vertical quads for 90/270 orientation, this improves
cache performance as buffers are read vertically
in 90/270 orientation.

(cherry picked from commit 2a41c9ab091088e53fa1088417ec61b33072cff9)

Change-Id: Ib52ac0da962b16ab68ac13ba84bc231ae4f25dca