Open BLE advertisement only for the duration of pairing

[pan-apple]

Problem

The device keeps advertisement on BLE even after the pairing process is complete.

Summary of Changes

Restrict BLE advertisement for the duration of pairing. The advertisement will start when the rendezvous session is opened on the device, and closed after a successful or unsuccessful pairing.

[github-actions]

Size increase report for "esp32-example-build" from a83086a

File	Section	File	VM
chip-all-clusters-app.elf	.flash.text	176	176
chip-all-clusters-app.elf	.flash.rodata	48	48
chip-all-clusters-app.elf	[2 Others]	-48	8

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-all-clusters-app.elf and ./pull_artifact/chip-all-clusters-app.elf:

sections,vmsize,filesize
.debug_info,0,3479
.debug_line,0,957
.debug_str,0,939
.strtab,0,757
.debug_loc,0,623
.shstrtab,0,567
.symtab,0,352
.debug_frame,0,288
.debug_ranges,0,176
.flash.text,176,176
.xt.prop._ZNK4chip31RendezvousAdvertisementDelegate18StartAdvertisementEv,0,128
.debug_abbrev,0,98
.debug_aranges,0,96
.xt.lit._ZN4chip9Transport5TupleIJNS0_3UDPES2_EED5Ev,0,80
.xt.prop._ZN4chip31RendezvousAdvertisementDelegateD0Ev,0,76
.xt.prop._ZN4chip31RendezvousAdvertisementDelegateD2Ev,0,76
.xt.prop._ZNK4chip31RendezvousAdvertisementDelegate17StopAdvertisementEv,0,76
.xt.prop._ZTVN4chip31RendezvousAdvertisementDelegateE,0,52
.flash.rodata,48,48
.xt.lit._ZNK4chip31RendezvousAdvertisementDelegate18StartAdvertisementEv,0,48
[2 Others],8,-48

[github-actions]

Size increase report for "nrfconnect-example-build" from a83086a

File	Section	File	VM
chip-lock.elf	text	144	144
chip-lock.elf	rodata	48	48
chip-lock.elf	bss	0	8
chip-lock.elf	datas	4	4
chip-lock.elf	devices	4	4
chip-lock.elf	[LOAD #3 [RW]]	0	-8
chip-lighting.elf	text	148	148
chip-lighting.elf	rodata	48	48
chip-lighting.elf	bss	0	8
chip-lighting.elf	datas	4	4
chip-lighting.elf	devices	4	4
chip-lighting.elf	shell_root_cmds_sections	-4	-4
chip-lighting.elf	[LOAD #3 [RW]]	0	-8

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-lock.elf and ./pull_artifact/chip-lock.elf:

sections,vmsize,filesize
.debug_info,0,3473
.debug_str,0,939
.strtab,0,757
.debug_loc,0,685
.debug_line,0,541
.symtab,0,416
.debug_frame,0,216
.debug_ranges,0,192
text,144,144
.debug_abbrev,0,130
.debug_aranges,0,96
rodata,48,48
bss,8,0
datas,4,4
devices,4,4
.shstrtab,0,-1
[LOAD #3 [RW]],-8,0

Comparing ./master_artifact/chip-lighting.elf and ./pull_artifact/chip-lighting.elf:

sections,vmsize,filesize
.debug_info,0,3473
.debug_str,0,939
.strtab,0,757
.debug_loc,0,685
.debug_line,0,541
.symtab,0,416
.debug_frame,0,216
.debug_ranges,0,192
text,148,148
.debug_abbrev,0,130
.debug_aranges,0,96
rodata,48,48
bss,8,0
datas,4,4
devices,4,4
.shstrtab,0,-1
shell_root_cmds_sections,-4,-4
[LOAD #3 [RW]],-8,0

Comparing ./master_artifact/chip-shell.elf and ./pull_artifact/chip-shell.elf:

sections,vmsize,filesize