[flutter_tools] Add doctor validator warning for multiple adb installations - #186031

[Thu, 11 Jun 2026 19:50:39 UTC] Creating test CL

[Thu, 11 Jun 2026 19:51:26 UTC] Launching smoke tests

[Thu, 11 Jun 2026 19:52:57 UTC] Waiting for smoke test results

[Thu, 11 Jun 2026 19:59:00 UTC] Launching tests

[Thu, 11 Jun 2026 20:01:18 UTC] Waiting for test results

[Thu, 11 Jun 2026 20:45:03 UTC] Tests passed