bottle: use --root-url instead of --root_url
test-bot: more support for bottling taps.
gradle 2.2.1

Closes #34417.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
smali 2.0.3 (new formula)

smali/baksmali is an assembler/disassembler for the dex format used by dalvik, Android's Java VM implementation.