libcameraservice: Rename libcameraservice_host to libcameraservice_device_independent.

This name is more appropriate, as the library is not used solely by host
builds.

Bug: 207411352
Test: Built cameraservice_test_host and cameraservice_test.
Change-Id: I9751f7c6746388a335113b5c10d3669c29b5fbfe
2 files changed