wificond will now change user/group to wifi/wifi after
taking control of a particular path in the sysfs.

Bug: 29870863
Change-Id: I9ccb23f60a66d6850f3969c364288f8850044fed
Test: wificond unit and integration tests pass

This is apparently a privileged ioctl.  Being able to do this allows us
to no longer kill hostapd with SIGTERM, since we can cleanup after hard
stops.

Bug: 31023120
Test: wificond unit and integration tests pass

Change-Id: Icdf2469d403f420c742871f54b9fb17432805991

am: 204f4b61

Change-Id: I20fe7061c9d2020bffe19e1cb4dacb0ea07f95a8

am: 5c7b21ae

Change-Id: I56bb83c81a9d94ed30997f79f0d52a000d9f651e

am: c753392e

Change-Id: I07ac991a1982ecc25223477e3ce6a9c8ae6a15a4

am: a7d5e610

Change-Id: I482b66f4a53034a16f7a943d105f73b7b07c07b0

am: a15ea578  -s ours

Change-Id: I8acaaf29d6cd06291c45f3a1fb2e246718543922

am: e123f061

Change-Id: Ib9f66e0a8402db4d936578130e07022a5d6e2dae

Ports check_seapp to pcre2.

Merged-In: Ib9977326cfbb19ce143b04504f41afb884f2ec17
Bug: 24091652
Change-Id: Ib9977326cfbb19ce143b04504f41afb884f2ec17

b/30832947

Change-Id: Icd5117d655f1197524b39fe7bc1b11c4d920093c

am: c696a1d4

Change-Id: I83c3c6c63a4d813ebdc179d06dad5b252b446ef4

am: 3a0f4f60

Change-Id: Ia17b382db5ef45be2e8936aa59de3014f8db76ee

am: a54911b6

Change-Id: I694d22230efe31c8b05374311cbe479b06c062fb

am: c3774720

Change-Id: I7ffbc6c1d4213fe68c52ded884bd9db9f6b37fb1

Merge "Allow system_server to delete directories in preloads" into nyc-mr1-dev am: 1be3b599 am: a59a44db
am: 15e496e2

Change-Id: Ic6853c251c4653d04788099cbadd0e64473ebf2d

am: a682f665

Change-Id: Ib625b95717b85706fd0258c9c1609ee4a925e89f

am: a59a44db

Change-Id: I0b63a11190a24617c2b163d23998eef659526ddc

am: 88ece842

Change-Id: Id1f699a18dcc5de07abc7434eac96db75e8fc8cb

am: 1be3b599

Change-Id: Ic03e67552c00de2971476e09820895b7fa970e80

am: 028ed753

Change-Id: Iaa9668ca04cf60d0adf43b42c3a27da824f4f094

system_server communicates with wpa_supplicant via various control
sockets.  Allow wificond to unlink these sockets after killing
wpa_supplicant.

Bug: 30666540
Change-Id: Ic1419a587f066c36723c24518952025834959535

am: af127073

Change-Id: I2a04acf39eb17426a93f65a6b80880e758ad7eb5

am: 66a41b96

Change-Id: I7c921be2c309940c86736e49ad8e06dea941685d

am: fff27052

Change-Id: Ie48ab38994ecc7f5833ada2d9d3af77052361f07

am: e6cbe254

Change-Id: I40d10c04857b85bb135d01dc456d1a1812d5bd7b

am: 6ef377a0

Change-Id: I5b2d822f8414feadd61ef195a9e357ccba8481ba

am: 88c51465

Change-Id: I0033d9fa5d4f46a73e7778690fab899464154def

Specifically we need init to relabel (/dev/device-mapper, /dev/block/dm-?)
and other files in /dev/block/* from tmpfs to dm_device and block_device
respectively.

BUG=27805372

Change-Id: I16af6e803f8e4150481137aba24d5406872f9c62

Merge "fine-grained policy for access to /proc/zoneinfo" am: 89a8ed4e am: 9cb9c4bd am: 1cf57199
am: 02530e2c

Change-Id: Ic4fbe358aecd45c0094a64990260594fd4757152

am: 1cf57199

Change-Id: I8e47035f7f931d9567fdd8bb6caa7f717036c626

am: 9cb9c4bd

Change-Id: I1b8dc30e19617d9081219d38e417c4157dd88be1

am: 89a8ed4e

Change-Id: I3733a74a23b3ece3a38fa2d7a2b3ea996f95c87f

Allow the otapreopt rename script to read file attributes. This is
being used to print the aggregate artifact size for diagnostic
purposes.

Bug: 30832951
Change-Id: Iee410adf59dcbb74fa4b49edb27d028025cd8bf9

am: dee4a9e6

Change-Id: I226f8ae038084383cb54e7ec793b08e94ed209de