tree 364c0717fd3064a91db04d2b5d0e8566249b5d68
parent ef9f62b0761836b2514ff1763faffd7a72e3dbd8
author Hungming Chen <nuccachen@google.com> 1642155111 +0800
committer Hungming Chen <nuccachen@google.com> 1642156326 +0800

[RFCLAT#16] remove drop_root_and_caps

gid and uid of clatd binary has been set by apex
canned_fs_config. don't need drop_root_and_caps()
anymore.

Bug: 212345928
Test: manual test
1. Connect to ipv6-only wifi.
2. Make IPv4 traffic.
   $ ping 8.8.8.8

Check uid and uid is AID_CLAT(1029) in process status:
$ adb shell ps | grep clat
clat          9743   740 10826108  2264 0              0 S clatd-wlan0
$ adb shell cat /proc/9743/status | egrep -i '^(Uid|Gid|Groups):|^Cap'
Uid:	0	1029	1029	1029
Gid:	0	1029	1029	1029
Groups:	3005
CapInh:	00000000000074ef
CapPrm:	00000000000074ef
CapEff:	0000000000000000
CapBnd:	00000000000074ef
CapAmb:	0000000000000000

Change-Id: I8f7a9c50368d5c789621ea39b39d9242adfb0fcc