Revert "Update AIDL IVibrator manifest version to 2."

Revert submission 1540633

Reason for revert: AOSP not updated yet
Reverted Changes:
I418cd4fc5:Update AIDL IVibrator manifest version to 2.
I08b4b189d:matrix: IVibrator AIDL has version 2.

Change-Id: I1cc5ab201e079a09c4db2667207c856ff56b0988
1 file changed