Merge "Zygote: do not fail if CE app data dir not found." into udc-dev am: b5914f9ebd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25221877

Change-Id: I70841a290e13e576bfb900ed7217c54bf212cec5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>