[automerger skipped] Merge "Allow more than one '=' in...

[automerger skipped] Merge "Allow more than one '=' in avb_extra_custom_image_extra_args." into rvc-dev am: 4217f575 -s ours am: 23dcc413 -s ours am: 56f84349 -s ours am: 56ec9ecb -s ours

am skip reason: Change-Id I815d574f791734d4c6a25a9f8d827b5b4f93d7cc with SHA-1 4975a933 is in history

Change-Id: I4728d09c122cd5b3e8a20fac9fbe5af22349bb37