Migrate HealthHal to StatsPullAtomService

Bug: 148618655

Test: atest HostAtomTests
Test: adb shell cmd stats pull-source 10019
Test: adb shell cmd stats pull-source 10020
Test: adb shell cmd stats pull-source 10030
Test: adb shell cmd stats pull-source 10045
Change-Id: I10a0682828b086751b90c3cc133fb51c34cbea23
6 files changed