Revert "Disable DeviceOwnerTest#testProxyPacProxyTest" This reverts commit 1735b953ded6eaa120e6c3a66d36f05a6ec986c4. Reason for revert: Re-enable test after platform is fixed Bug: 393092771 Test: this Flag: EXEMPT test fix Change-Id: Ib0a01231514406d266946a6e31ca20d9d4b71069