Add reviewers for gn, gni files (#4446) #16713

Job	Run time
chromium_android-arm64 / initialize	1m 16s
android-arm / initialize	1m 22s
android-x86 / initialize	1m 19s
chromium_android-arm / initialize	1m 32s
android-arm64 / initialize	1m 15s
chromium_android-x86 / initialize	1m 20s
android-arm64 / docker-build-image	4m 3s
chromium_android-arm64 / docker-build-image	3m 37s
chromium_android-x86 / docker-build-image	3m 27s
android-x86 / docker-build-image	3m 39s
android-arm / docker-build-image	3m 55s
chromium_android-arm / docker-build-image	3m 39s
chromium_android-x86 / x86_devel	32m 56s
chromium_android-x86 / x86_debug	31m 13s
chromium_android-x86 / x86_qa	32m 58s
chromium_android-x86 / x86_gold	33m 33s
chromium_android-arm64 / arm64_devel	51m 36s
chromium_android-arm64 / arm64_debug	49m 7s
chromium_android-arm64 / arm64_qa	53m 32s
chromium_android-arm64 / arm64_gold	50m 44s
android-x86 / x86_devel	6m 57s
android-x86 / x86_debug	22s
android-x86 / x86_qa	33m 11s
android-x86 / x86_gold	33m 15s
chromium_android-arm / arm_devel	32m 8s
chromium_android-arm / arm_debug	30m 32s
chromium_android-arm / arm_qa	33m 4s
chromium_android-arm / arm_gold	41m 32s
android-arm / arm_devel	31m 57s
android-arm / arm_debug	22s
android-arm / arm_qa	33m 42s
android-arm / arm_gold	48m 39s
android-arm64 / arm64_devel	59m 41s
android-arm64 / arm64_debug	23s
android-arm64 / arm64_qa	51m 51s
android-arm64 / arm64_gold	52m 39s
	14h 16m 18s

Provide feedback