Android: Add cmdline-tools to android-sdk-packager

Similar to https://crrev.com/c/1803895, now that cmdline-tools is no
longer in canary channel, we can add it to the rest of the sdk packages.

Updated instructions for updating and adding new packages.

Fix android-sdk-packager build since it was broken by android releasing
bugs starting early May.

Bug: 1093896
Change-Id: I800b285a4e03193f4b9c3c67a44f55eb4b77fd6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2241994
Commit-Queue: Peter Wen <wnwen@chromium.org>
Commit-Queue: Yuke Liao <liaoyuke@chromium.org>
Reviewed-by: Haiyang Pan <hypan@google.com>
Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
Auto-Submit: Peter Wen <wnwen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#777426}
GitOrigin-RevId: f38090f17f379dfc848137118f4aebb298421d7c
1 file changed