[automerger skipped] [DataStore] Reduce memory footprint for...

[automerger skipped] [DataStore] Reduce memory footprint for BackupRestoreStorage am: 15d8153d -s ours

am skip reason: Merged-In If1fb8f3c7d074e63896afe47c02bb1724bb2c439 with SHA-1 14b87a51 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/26559998



Change-Id: Id7b445fffed6163db7f418e40ec34daceb97de4b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>