Revert "Fix backup script for odex gapps"

This reverts commit 0301092b7a73760a6850cce220fde5f9499a5c4d.

Change-Id: I76eb9ea482853a73383437cbc623036dec98c169

backup script attempt 1

Change-Id: I6cc7d9ae3644282ed2e71c97fb737f2035e13c8d
fix update script naming

Change-Id: Ic501471dd3ebef6a7c6366dbedcb750d89348b7e