Revert "Not using shell command to enable test provider"

This reverts commit 5f80e92bda9f658e149d38a4e6ee4db270677784.

Reason for revert: We need to see if this has caused b/196586808

Bug: 196586808
Test: presubmit
Change-Id: I078f0d4e83f5f1db19e9e0a5afec4f3058156745
1 file changed