Remove stale aidl-export references

As per the TODO, the aidl-export directory was moved to
packages/modules/Connectivity/framework.

Bug: 222234190
Test: TH
Merged-In: I4c8f84b5b7df057b30ce334a99ce4ce975080020
Change-Id: Ie05f6ffec77e5f2eb7f68a21a33fac6936fe3018
1 file changed