codec2 hal: AIDL type conversion, step 1

Duplicate existing files for easier code review; no code edited.

$ cp frameworks/av/media/codec2/hal/hidl/1.0/utils/types.cpp \
     frameworks/av/media/codec2/hal/aidl/BufferTypes.cpp
$ cp frameworks/av/media/codec2/hal/hidl/1.0/utils/types.cpp \
     frameworks/av/media/codec2/hal/aidl/ParamTypes.cpp
$ cp media/codec2/hal/hidl/1.0/utils/include/codec2/hidl/1.0/types.h \
     media/codec2/hal/aidl/include/codec2/aidl/BufferTypes.h
$ cp media/codec2/hal/hidl/1.0/utils/include/codec2/hidl/1.0/types.h \
     media/codec2/hal/aidl/include/codec2/aidl/ParamTypes.h

Bug: 251850069
Test: builds
Change-Id: Ia6a642e72e9bbc517e5e609b98ae3b3badf8efa4