RESTRICT AUTOMERGE SoftHEVC: Handle error in reInitDecoder()

Returning an error instead of calling CHECK_EQ for reInitDecoder failure

Bug: 65483665
Bug: 76181200
Bug: 77312549
Change-Id: I49d2fef1d30c94388174a0cc7d00453fd0d5925e
(cherry picked from commit e79df347ffbc737fd75b7e3f8d9745c1e087a28b)
2 files changed