Add CrashRecovery build flag to move files

Files need to be moved from platform to the new apex.
Adding a flag to control this movement.
More Details: go/conditionally-move-android-files

Bug: b/289203818
Test: m
Ignore-AOSP-First: merge conflicts in AOSP aosp/2942585
Change-Id: Id3674bd6a8a32f64d189b8ac17b222b9d7966f69
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(cherry picked from https://android-review.googlesource.com/q/commit:b99913a726a99b85616270ebfccb4e74a0c71052 due to merge conflicts)