feat(notched-outline): Add new foundation methods

[trimox]

Change as per material-components-web v0.34.1.

reference: material-components/material-components-web#2401

[codecov]

Codecov Report

Merging #836 into master will increase coverage by 0.18%.
The diff coverage is 90.9%.

@@            Coverage Diff             @@
##           master     #836      +/-   ##
==========================================
+ Coverage   92.15%   92.33%   +0.18%     
==========================================
  Files         166      166              
  Lines        6523     6521       -2     
  Branches      985      983       -2     
==========================================
+ Hits         6011     6021      +10     
+ Misses        512      500      -12

Impacted Files	Coverage Δ
src/lib/notched-outline/notched-outline.ts	96.36% <100%> (+15.23%)	⬆️
src/lib/textfield/text-field.ts	93.29% <75%> (+2.75%)	⬆️
src/lib/snackbar/snackbar.component.ts	87.94% <0%> (-3.55%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d4f6ad5...5ddbe18. Read the comment docs.