Enable app data isolation by default

Bug: 143937733
Test: Device boots normally
Change-Id: I98619e5e520c7a16ba25ef22133d969ab84aa5ef
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index a10baa6..e7b0d5d 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -273,7 +273,7 @@
     ps->startThreadPool();
     ps->giveThreadPoolName();
     sAppDataIsolationEnabled = android::base::GetBoolProperty(
-            kAppDataIsolationEnabledProperty, false);
+            kAppDataIsolationEnabledProperty, true);
     return android::OK;
 }