Camera: Clear cached HIDL references

Cached 3.3 and 3.4 HIDL session references must be cleared
otherwise the session implementation will not get released
and this could result in resource leaks.

Bug: 72692738
Test: Manual using camera application
Change-Id: I1d4eef43295db837f2fb4380bd84e2e7dfb5b5ef
1 file changed