Revert "SurfaceFlinger: Change to support framebuffer flip for 2D blitters"

This reverts commit 5f88f1c11b7e84912b5671d00e93d02318def768.
Revert "JB_MR1: native/libs/ui: Adding fix for conf 2.0 seg faults"

This reverts commit 00cc34276f703154990b11d109d2289672aa2254.