CCA: Add more external global variables for tsc

Bug: b/172340451
Test: Reduced 38 errors in tsc.
Change-Id: I4d35cbe5cdb424e3358f7317533d973eddebd57e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2671727


Auto-Submit: Shik Chen <shik@chromium.org>
Reviewed-by: Inker Kuo <inker@chromium.org>
Commit-Queue: Shik Chen <shik@chromium.org>
Cr-Commit-Position: refs/heads/master@{#850475}