Revert of Convert Widevine and Android platform key systems to KeySystemProperties

Revert of Convert Widevine and Android platform key systems to KeySystemProperties (patchset #6 id:100001 of https://codereview.chromium.org/1926533002/ )

Reason for revert:
Broke Google Chrome Mac bot.

Original issue's description:
> Convert Widevine and Android platform key systems to KeySystemProperties
>
> WidevineKeySystemProperties replaces the use of KeySystemInfo +
> InfoBasedKeySystemProperties for widevine (logic is essentially copied).
> Also updated Android platform key systems as it's simpler to convert the
> APIs in android_key_systems together.
>
> BUG=457438
TBR=xhwang@chromium.org,michaelbai@chromium.org,sky@chromium.org,ddorwin@chromium.org,halliwell@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=457438
Committed: https://crrev.com/ee270d6ac0b30e5d7c028a849ccd96eb82581cab
Cr-Commit-Position: refs/heads/master@{#390579}

[Justin Donnelly, 2016-04-29 02:41:28]

Created Revert of Convert Widevine and Android platform key systems to
KeySystemProperties

[commit-bot: I haz the power, 2016-04-29 02:41:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1932893004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1932893004/1

[commit-bot: I haz the power, 2016-04-29 02:42:27]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-30 17:23:58]

Patchset 1 (id:??) landed as
https://crrev.com/ee270d6ac0b30e5d7c028a849ccd96eb82581cab
Cr-Commit-Position: refs/heads/master@{#390579}

[commit-bot: I haz the power, 2016-04-30 17:59:10]

Description was changed from

==========
Revert of Convert Widevine and Android platform key systems to
KeySystemProperties (patchset #6 id:100001 of
https://codereview.chromium.org/1926533002/ )

Reason for revert:
Broke Google Chrome Mac bot.

Original issue's description:
> Convert Widevine and Android platform key systems to KeySystemProperties
> 
> WidevineKeySystemProperties replaces the use of KeySystemInfo +
> InfoBasedKeySystemProperties for widevine (logic is essentially copied).
> Also updated Android platform key systems as it's simpler to convert the
> APIs in android_key_systems together.
> 
> BUG=457438

TBR=xhwang@chromium.org,michaelbai@chromium.org,sky@chromium.org,ddorwin@chro...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=457438
==========

to

==========
Revert of Convert Widevine and Android platform key systems to
KeySystemProperties (patchset #6 id:100001 of
https://codereview.chromium.org/1926533002/ )

Reason for revert:
Broke Google Chrome Mac bot.

Original issue's description:
> Convert Widevine and Android platform key systems to KeySystemProperties
>
> WidevineKeySystemProperties replaces the use of KeySystemInfo +
> InfoBasedKeySystemProperties for widevine (logic is essentially copied).
> Also updated Android platform key systems as it's simpler to convert the
> APIs in android_key_systems together.
>
> BUG=457438

TBR=xhwang@chromium.org,michaelbai@chromium.org,sky@chromium.org,ddorwin@chro...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=457438

Committed: https://crrev.com/ee270d6ac0b30e5d7c028a849ccd96eb82581cab
Cr-Commit-Position: refs/heads/master@{#390579}
==========