Test: local run
Change-Id: I1924a07058524eb0bf034dae541a8171e6287f1b

Test: local run
Change-Id: I474c2283d0da3125ef97a37889a0894e2cc2a49c

Test: local run
Change-Id: I10b5f67144a9ec9511c8edfb609e20d0a7173647

Test: Run locally and check email
Change-Id: I7d67d138cab20a387b2bf5010d8f802113f8bed7

Test: ./updater.sh update --force --branch_and_commit --push_change googletest
Test: aosp/889542
Change-Id: I1025e2ded65000ce34e2f02f84052e7871e425d3

Bug: 109748616
Test: ./updater.sh check kotlinc googletest --json_output=/tmp/res.json
Test: out/soong/host/linux-x86/bin/external_updater_notifier \
          --result_file=/tmp/res.json \
          --history ~/updater/history \
          --recipients=hhb@google.com

Change-Id: I27a4c1c2604d38106a08ce3eee1bcd03fdce80d7

If the version in METADATA is a commit (sha1), the tool will try to
download the latest master from github, instead of latest release.

Test: update METADATA of androidplot and try to update.
Change-Id: Id12b797ca152f11d16c4d06c44e30758bec40f24

Also case-insensitive sort all dirs

Test: updater.sh checkall
Change-Id: If0e05cd1cc2acc7834f1c7c59301cefd0ee39eff

Bug: N/A
Test: manual
Change-Id: Ided170a655d5efe5a3026ceb7bd385ed91baa347

Showing the things you need to fix in green was surprising to me.

Errors and successfully determining that a project is stale both deserve
to be red, but use bold so that we can see the projects that need to be
updated even while there are lots of unsupported METADATA files.

Bug: N/A
Test: manual
Change-Id: Idad71a46c675b19d1fa204268c27816375f3e394

Add the support to check how far a project is behind upstream git.

Still need to manually run git merge. But this tool can help update
METADATA. :)

Test: ./updater.sh update perf_data_converter
Change-Id: Ic46a0eb723ae22f0fc7d61a67a14299761b564a4

Bug: 109748616
Test: https://android-review.googlesource.com/c/platform/external/kotlinc/+/699886
Change-Id: I1c28aa256bca6ee5be1ea15f295c5e0fa63526d1