Cleanup/license headers

[robszewczyk]

Problem

This PR attaches the Apache license to all files outside the third_party/ files.

Summary of Changes

Apache license is added to all files outside of the core third_party repository.

fixes #1184

[chip-bot]

Size increase report for "Build Examples [nRF]"

File	Section	File	VM
chip-nrf52840-lock-example.out	.data	-8	-8
chip-nrf52840-lock-example.out	.bss	0	-16
chip-nrf52840-lock-example.out	.text	-4768	-4768

Full report output

Bloat report for job 'Build Examples [nRF]'

Files found only in the baseline:
    bloat_report.txt

Comparing master_binaries/nrf-build/chip-nrf52840-lock-example.out and example_binaries/nrf-build/chip-nrf52840-lock-example.out:

sections,vmsize,filesize
[Unmapped],0,4769
.data,-8,-8
.bss,-16,0
.debug_aranges,0,-752
.debug_ranges,0,-1840
.symtab,0,-1840
.debug_frame,0,-1980
.strtab,0,-2285
.text,-4768,-4768
.debug_abbrev,0,-7270
.debug_macro,0,-8923
.debug_str,0,-9908
.debug_loc,0,-14079
.debug_line,0,-21967
.debug_info,0,-84245

[chip-bot]

Size increase report for "Build Examples [ESP32]"

File	Section	File	VM
chip-wifi-echo.elf	.dram0.data	-13628	-13628
chip-wifi-echo.elf	.iram0.text	-33284	-33284
chip-wifi-echo.elf	.dram0.bss	0	-34280
chip-wifi-echo.elf	.flash.rodata	-164656	-164656
chip-wifi-echo.elf	[1725 Others]	-186404	-4
chip-wifi-echo.elf	.flash.text	-512452	-512452

Full report output

Bloat report for job 'Build Examples [ESP32]'

Files found only in the baseline:
    bloat_report.txt

Comparing master_binaries/esp32-build/chip-wifi-echo.elf and example_binaries/esp32-build/chip-wifi-echo.elf:

sections,vmsize,filesize
.xt.prop._ZNKSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb0EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs,0,-1072
.xt.prop._ZNKSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb1EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs,0,-1072
.xt.prop._ZNKSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb0EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs,0,-1072
[Unmapped],0,-1427
.dram0.data,-13628,-13628
.iram0.text,-33284,-33284
.dram0.bss,-34280,0
.debug_aranges,0,-58392
.debug_ranges,0,-134104
.symtab,0,-134864
.debug_frame,0,-161840
.flash.rodata,-164656,-164656
.shstrtab,0,-178208
[1725 Others],-4,-186404
.strtab,0,-206979
.debug_abbrev,0,-347543
.flash.text,-512452,-512452
.debug_str,0,-688594
.debug_loc,0,-1063391
.debug_line,0,-1952825
.debug_info,0,-5466813

[chip-bot]

Size increase report for "Build Examples [main-build]"

File	Section	File	VM

Full report output

Bloat report for job 'Build Examples [main-build]'

Files found only in the baseline:
    bloat_report.txt

Comparing master_binaries/main-build/chip-standalone-demo.out and example_binaries/main-build/chip-standalone-demo.out:

sections,vmsize,filesize
[Unmapped],0,-4
.debug_line,0,-41
.debug_info,0,-94
.debug_macro,0,-586
.debug_str,0,-6019