Convert Tetheroffload HIDL to AIDL.
This patch converts Tetheroffload HIDL to AIDL and adds an empty
example implementation.
There are some changes in AIDL HAL:
1. Combine IOffloadConfig and IOffloadControl into IOffload
2. Use AIDL builtin errors exception code with message as return
Bug: b/205762647
Test: m android.hardware.tetheroffload-update-api
m android.hardware.tetheroffload-V1-ndk
m android.hardware.tetheroffload-service.example
atest VtsHalTetheroffloadTargetTest
Change-Id: I9859ff3df608c058786b4e2b91cb6cd5f38e653a
(cherry picked from commit d97a30863794172ec5e6fa0bc16d72fb937d66eb)
Merged-In: I9859ff3df608c058786b4e2b91cb6cd5f38e653a
24 files changed