Create a snapshot of the hardware_legacy

Create a snapshot of hardware_legacy for legacy HIDL, to avoid any build breakage due to new hardware_legacy for the new AIDL. Should be removed with the HIDL when we finish the switch

Bug: 205044134
Test: build and CtsWifiTest

Change-Id: Ib1068112f6c90f2a41b68e20027d959c95798120
23 files changed