Add "<<" and ">>" icons

[georgewrmarshall]

Blocked by MetaMask/design-tokens#283

Description

Add arrow-double-left and arrow-double-right icons to the Icon component

Technical Description

• Add provided svgs to the app/images/icons

Acceptance Criteria

• There are "<<" and ">>" icons

References

• Added navigation between multiple sign prompts and reject all sign prompts #17093
• [Figma] Create "<<" and ">>" icons design-tokens#283
• Add "<<" and ">>" icons metamask-mobile#5584

[Akatori-Design]

@garrettbear @georgewrmarshall

Added two new icons in design

• arrow-double-left
• arrow-double-right

*Figma link

📎 Icons sprite file (this sprite contains both icons above)

Reference
@georgewrmarshall 's guide for Export icons as optimized svgs for code
I already went thru the guided steps and optimized, exported the sprite file, which is what u see above.

[georgewrmarshall]

@garrettbear you will have to extract the paths and create 2 new svgs