bug(MatChipList): disabled should respect child and same behavior with select

[keatkeat87]

Reproduction

https://stackblitz.com/edit/angular-w1ehsl?file=src%2Fapp%2Fchips-overview-example.html

Steps to reproduce:

1. compare behavior of select and mat chip list
   
   last chip and option are disabled.
2. click disabled button
3. click enabled button
4. now last chip are enabled, but the last option still disabled.

Expected Behavior

last chip should keep disabled

Actual Behavior

last chip enabled

Environment

Angular CLI: 9.1.2
Node: 12.16.1
OS: win32 x64

Angular: 9.1.2
... animations, cli, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router
Ivy Workspace: Yes

Package Version

@angular-devkit/architect 0.901.2
@angular-devkit/build-angular 0.901.2
@angular-devkit/build-optimizer 0.901.2
@angular-devkit/build-webpack 0.901.2
@angular-devkit/core 9.1.2
@angular-devkit/schematics 9.1.2
@angular/cdk 9.2.1
@angular/material 9.2.1
@angular/youtube-player 9.1.3
@ngtools/webpack 9.1.2
@schematics/angular 9.1.2
@schematics/update 0.901.2
rxjs 6.5.5
typescript 3.7.5
webpack 4.42.0

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