SurfaceView: Restore transaction application in useBLAST=false

We may still have useBLAST=false when we are detached from
the ViewRoot, the recent CL to remove defer transaction
code mistakenly removed this code.

Bug: 183427823
Test: Existing tests pass
Change-Id: I7ef68ca9da053fd9b488a6da6101572ec05ab9a3