[automerger skipped] Add VPN app into power saver whitelist for a while to...

[automerger skipped] Add VPN app into power saver whitelist for a while to start its service am: 4b776c64 -s ours am: 0db50bf9 -s ours

am skip reason: Merged-In I9819a78ec0cbbd6879baae645ef42c22756b09d4 with SHA-1 62991fc4 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18699675



Change-Id: Ia5abe9124cbeb3632915ed25100663f401ddfa51
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>