Move adbd from root to system

Bug: 63910933
Test: normal boot sailfish, checks adb works
Test: recovery boot sailfish, checks adb works
Test: normal boot bullhead, checks adb works
Test: recovery boot bullhead, checks adb works

Change-Id: I1b27910c06a4172ca718b3344736ec8e3429f477
Merged-In: I1b27910c06a4172ca718b3344736ec8e3429f477
(cherry picked from commit 45d35ade33b9d7ed2c977c0cdae6b65b7e550590)
1 file changed