Merge "healthd use vintf_fragments" into stage-aosp-master

    header_libs: ["libhealthd_headers"],

    // Uncomment the following to remove healthd from the build.

    // overrides: [

    //     "healthd",

    // ],

    overrides: [

        "healthd",

    ],

}

    3.1 (recommended) To remove healthd from the build, keep "overrides"

          section, and include the following in device.mk:

            DEVICE_FRAMEWORK_MANIFEST_FILE += \

                system/libhidl/vintfdata/manifest_healthd_exclude.xml

    3.1 (recommended) To remove healthd from the build, keep "overrides" section.

    3.2 To keep healthd in the build, remove "overrides" section.

4. Create device/<manufacturer>/<device>/health/android.hardware.health@2.0-service.<device>.rc