codec2: fix {linear|graphic}Blocks() references

Fix references to temporary objects.

Bug: 74073134
Test: builds
Change-Id: Ic742dee5e45e1a0dc0efb22b748e1d42d7978fc6
(cherry picked from commit 971f74c60ec84c18e8aa1d5f6ba6dd53d93299cf)
11 files changed