Add support for component builds on Windows Swarming.
Add support for component builds on Windows Swarming.

Some runtime dependencies on MSVC were missing and had to be added to rtc_base_approved.

BUG=chromium:497757
NOTRY=True

Review-Url: https://codereview.webrtc.org/2389133002
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#14562}

TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc