Revert "Move canvas WallpaperEngine to droidFood"

This reverts commit eca2762da77b34a48ddb07fb339a8201d30a3749.

Reason for revert: culprit of b/255702022

Change-Id: I0071a7a2bccf829ecc8f25ad8da6597b0a21de6f
diff --git a/packages/SystemUI/src/com/android/systemui/flags/Flags.kt b/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
index b357dc0..4fea51c 100644
--- a/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
+++ b/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
@@ -192,7 +192,7 @@
 
     // 802 - wallpaper rendering
     // TODO(b/254512923): Tracking Bug
-    @JvmField val USE_CANVAS_RENDERER = ReleasedFlag(802)
+    @JvmField val USE_CANVAS_RENDERER = UnreleasedFlag(802, teamfood = true)
 
     // 803 - screen contents translation
     // TODO(b/254513187): Tracking Bug