ART services: optimize package - Add artd methods. This change adds two artd methods: `getDexoptNeeded` and `dexopt`, which are used for app compilation. Also, this CL replaces all `StringPrintf` with `_format`. Bug: 229268202 Test: m test-art-host-gtest-art_artd_tests Ignore-AOSP-First: ART Services. Change-Id: I51a42816750ff39c768658f739c7e6337cfe3e1c