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

services/camera/libcameraservice/device3/Camera3Device.cpp

@@ -3393,6 +3393,8 @@ bool Camera3Device::HalInterface::valid() {
 }
 
 void Camera3Device::HalInterface::clear() {
+    mHidlSession_3_4.clear();
+    mHidlSession_3_3.clear();
     mHidlSession.clear();
 }