Merge "Remove unused MockableSystemProperties from DnsManager constructor" am: 3e23d7271b am: 250a9d3d20 am: 04dede7600 am: 8a60923e76

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1466231

Change-Id: Id0b0b33e8156831222968ca68f289d206787d635