Move screen framework into component

[mlepage-google]

Problem

Screen framework is living in ESP32 wifi-echo demo, whereas it should be a separate component.

Summary of Changes

Move screen framework into components area.

[github-actions]

Size increase report for "nrf-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-nrf52840-lock-example.out and ./pull_artifact/chip-nrf52840-lock-example.out:

sections,vmsize,filesize

[github-actions]

Size increase report for "linux-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-standalone-demo.out and ./pull_artifact/chip-standalone-demo.out:

sections,vmsize,filesize

[github-actions]

Size increase report for "esp32-example-build"

File	Section	File	VM
chip-wifi-echo.elf	.flash.text	120	120
chip-wifi-echo.elf	.flash.rodata	8	8
chip-wifi-echo.elf	.dram0.bss	0	-8

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-wifi-echo.elf and ./pull_artifact/chip-wifi-echo.elf:

sections,vmsize,filesize
.debug_line,0,354
.flash.text,120,120
.debug_str,0,76
.xt.prop._ZN10ListScreenD5Ev,0,52
.xt.lit._ZN10ListScreenD5Ev,0,48
.xt.lit._ZNSt6vectorIP6ScreenSaIS1_EE17_M_realloc_insertIJRKS1_EEEvN9__gnu_cxx17__normal_iteratorIPS1_S3_EEDpOT_,0,48
.flash.rodata,8,8
.dram0.bss,-8,0
[Unmapped],0,-10
.xt.prop._ZNSt6vectorIP6ScreenSaIS1_EE17_M_realloc_insertIJRKS1_EEEvN9__gnu_cxx17__normal_iteratorIPS1_S3_EEDpOT_,0,-28
.xt.prop._ZN10ListScreenD2Ev,0,-80