Revert "Extract out common adapter logic to support different Al..."

Revert "Fixing AdapterItem import"

Revert submission 17044827-tm-dev-216150568

Reason for revert: Broke builds
Bug: 223609269
Reverted Changes:
I53eba3c8c:Fixing AdapterItem import
I1068e75d0:Extract out common adapter logic to support differ...
I24d8e54e8:Fix AdapterItem imports

Change-Id: I931c666db7dcb2c8eef1894b56b59ed688218def