Dump UidRecord's capability and list of ProcessRecord.

For example:
    UID u0a148: UidRecord{4b1bf83 u0a148 BTOP procs:3 seq(0,0,0)}
      curProcState=3 curCapability=LCM
      proc=ProcessRecord{eaf5d6f 3854:com.google.android.googlequicksearchbox:interactor/u0a148}
      proc=ProcessRecord{9b68072 4143:com.google.android.googlequicksearchbox:search/u0a148}
      proc=ProcessRecord{3eaef29 5665:com.google.android.googlequicksearchbox:assistant/u0a148}

UID u0a148's capability is "LCM", it has 3 processes.

Bug: 157269041
Test: "adb shell dumpsys activity -a", looking for "UidRecord"
Change-Id: I564193f47292b8ebf0e239e8da50536931fc3d75