Add the size of optimized artifacts to OptimizeResult.

Bug: 255566429
Test: m test-art-host-gtest-art_artd_tests
Test: atest ArtServiceTests
Test: adb shell pm art optimize-package -m speed-profile -f com.google.android.gms
Ignore-AOSP-First: ART Services
Change-Id: Icbffe6d56dcecdbac8154284f43d16828373db20
12 files changed