libandroid_sensor_headers: make host_supported and vendor_available

These headers are now used in a shared convert library for AIDL/HIDL
sensorservice implementations.
They are host_supported.
They are on /system so they need vendor_available: true to be on both
system and vendor.

Test: atest VtsHalSensorManagerTargetTest
Test: atest VtsHalSensorManagerV1_0TargetTest
Bug: 259711109
Change-Id: Ibc6ed5566dc50de5b40719b4c66c6b8982df9613