A recent build error on Android revealed that we're always doing
static builds for the Android Debug builders. This changes one
to be building shared library instead (is_component_build=true),
which should prevent such breakages in the future.
BUG=webrtc:6360
NOTRY=True
Review-Url: https://codereview.webrtc.org/2342033002
Cr-Commit-Position: refs/heads/master@{#14226}