[automerger skipped] Add linux_bionic cross compilation for mainline SDKs. am:...
[automerger skipped] Add linux_bionic cross compilation for mainline SDKs. am: 7356fffd am: 718a21a6 am: f315379d -s ours
am skip reason: Change-Id If0f97e58d2afccbc3f5d0b2e7dabac51330cc5c7 with SHA-1 7356fffd is in history
Change-Id: Ifcc2cb84fbf90f7ef023eb5d785b7e7153c77612