Revert "Introduce a new sdk_sandbox domain"

This reverts commit 304962477a0c7de51a21368a87fe1cf94ce8cbab.

Reason for revert: b/279565840

Change-Id: I6fc3a102994157ea3da751364f80730f4d0e87f0
diff --git a/private/technical_debt.cil b/private/technical_debt.cil
index 4286053..485ce53 100644
--- a/private/technical_debt.cil
+++ b/private/technical_debt.cil
@@ -22,7 +22,7 @@
 
 ; Apps, except isolated apps and SDK sandboxes, are clients of Drm-related services
 ; Unfortunately, we can't currently express this in module policy language:
-(typeattributeset hal_drm_client ((and (appdomain) ((not (or (isolated_app_all) (sdk_sandbox_all)))))))
+(typeattributeset hal_drm_client ((and (appdomain) ((not (or (isolated_app_all) (sdk_sandbox)))))))
 
 ; Apps, except isolated apps, are clients of Configstore HAL
 ; Unfortunately, we can't currently express this in module policy language: