Add libg3a logging initrc files.

These files are installed on the vendor partition regardless
of whether we use a prebuilt APEX or build it from source.

History links (Google internal only):
libg3a_gabc.rc: https://source.corp.google.com/h/googleplex-android/platform/superproject/main/+/main:vendor/google/camera/google_3a/libs_v4/gABC/libg3a_gabc.rc;drc=82654c90cc30d21948d0be24931edda10739caf0
libg3a_gaf.rc: https://source.corp.google.com/h/googleplex-android/platform/superproject/main/+/main:vendor/google/camera/google_3a/libs_v4/gAF/libg3a_gaf.rc;drc=1e01ef4606e8553866d803a30e4284485ff12741
libg3a_ghawb.rc: https://source.corp.google.com/h/googleplex-android/platform/superproject/main/+/main:vendor/google/camera/google_3a/libs_v4/gHAWB/libg3a_ghawb.rc;drc=82654c90cc30d21948d0be24931edda10739caf0

Bug: 380379803
Test: presubmit, check husky logs when prebuilt APEX is used
Flag: EXEMPT build system fix
Change-Id: I405c0e3ad78d63e3faee8723c2ba7ba7cf0dd6db
4 files changed