Add property contexts for dex2oat cpu-set properties
New properties are: dalvik.vm.dex2oat-cpu-set [default compiler thread affinity] dalvik.vm.boot-dex2oat-cpu-set [compiler thread affinity for boot] dalvik.vm.image-dex2oat-cpu-set [thread affinity recompiling the boot image] Bug: 141446571 Bug: 149395059 Test: Run installd tests with new properties defined in target mk file. Change-Id: Idcbb1332aa9c18f6082b827eae0334d063644a41 (cherry picked from commit 7b2ee48cd2c751661c21b9c498a57da7ba6daf50)