Revert "hwc2: Remove debug.sf.enable_hwc_vds definition."

This reverts commit b161296df08e01abd300c694d372b2f5a5696dbe.

CRs-Fixed: 2331127
Change-Id: I197dc01c648d592bc80d9a51eede48c975dd8f5e
diff --git a/config/talos.mk b/config/talos.mk
index f2e820e..74d1f70 100644
--- a/config/talos.mk
+++ b/config/talos.mk
@@ -40,6 +40,7 @@
     debug.egl.hw=0 \
     debug.sf.latch_unsignaled=1 \
     debug.mdpcomp.logs=0 \
+    debug.sf.enable_hwc_vds=1 \
     ro.vendor.display.cabl=2 \
     vendor.gralloc.disable_ubwc=0 \
     vendor.display.disable_scaler=0 \