[Meta] ChromeOs+Clang platform support

[llvmbot]

Bugzilla Link	24345
Version	trunk
OS	Linux
Depends On	#14524 #14841 #14873 #14982 #14983 #15134 #17204 #24724 #25791 #25792 #25989 #26618 #29023 #29901 #11546 #12112 #12959 #14872 #19292 #24327 #24343 #24720 #25081 #25088 #25790 #25901 #28077 #29877 #31345 #31385 #33931
Reporter	LLVM Bugzilla Contributor
CC	@cmtice,@gburgessiv,@kbeyls,@lalozano

Extended Description

This bug tracks progress towards building a complete ChromeOs on x86_32, x86_64, armv7a and aarch64.

[llvmbot]

mentioned in issue #24720

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mentioned in issue #24724

[llvmbot]

mentioned in issue #25081

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mentioned in issue #25088

[llvmbot]

mentioned in issue #25790

[cmtice]

mentioned in issue #25791

[cmtice]

mentioned in issue #25792

[llvmbot]

mentioned in issue #25901

[llvmbot]

mentioned in issue #25989

[llvmbot]

mentioned in issue #26618

[cmtice]

mentioned in issue #28077

[llvmbot]

mentioned in issue #29023

[llvmbot]

mentioned in issue #29877

[cmtice]

mentioned in issue #29901

[cmtice]

mentioned in issue #31345