libcamera2: add hardwareLevel to camera metadata Technically, this is only required for v3 and higher devices, and this is a v2 device. There aren't any other v2 devices, so our framework logic just treats them the same. Adding this metadata entry puts this device back as a first-class full (v3) device in the framework. Bug: 9261359 Change-Id: I4ba91c5689fd17d4a3f2044fae1c39dd9ee625df