[automerger skipped] Add linux_bionic cross compilation for mainline SDKs. am:...
[automerger skipped] Add linux_bionic cross compilation for mainline SDKs. am: 7356fffd -s ours am: f6af0ef2 -s ours
am skip reason: Change-Id If0f97e58d2afccbc3f5d0b2e7dabac51330cc5c7 with SHA-1 7356fffd is in history
Change-Id: I6008dc1ca513659edc1748ceed5489f3c285b5aa