SF: Remove setFinalCrop impl 2/2

setFinalCrop functionality is reimplemented by creating a new bounds layer
and applying a crop on this layer. see ag/4625718

Test: mmma frameworks/native/services/surfaceflinger/tests/ && \
mmma frameworks/native/libs/gui/tests/ && adb sync data && \
adb shell /data/nativetest64/libgui_test/libgui_test && \
adb shell /data/nativetest64/libsurfaceflinger_unittest/libsurfaceflinger_unittest && \
adb shell /data/nativetest64/SurfaceFlinger_test/SurfaceFlinger_test && \
adb shell /data/nativetest64/SurfaceParcelable_test/SurfaceParcelable_test && \
adb shell /data/nativetest64/sffakehwc_test/sffakehwc_test && \
echo "ALL TESTS PASSED"

Change-Id: I9be511c07a3351a2947afb2beed10ce2a462b635