Camera: Make originalDataSpace be const upon stream creation

The previous logic was wrong(!) where DATASPACE_UNKNOWN shouldn't be
used as an initializtion condition.

Test: CTS and vendor testing
Bug: 139820060
Bug: 151405656
Change-Id: I6b59d40ff796d48fe1804b45c189004f1ecc8c18
Merged-In: I6b59d40ff796d48fe1804b45c189004f1ecc8c18
(cherry picked from 2f5010dfa412c4998ab4047bfd3e20b595def61b)
2 files changed