Update NOTICE on android_toolchain to match r25c

Bug: N/A
Test: N/A
Change-Id: Ib702ceb0f518eeb91773a8cbe87dec44de6f062b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4609181
Auto-Submit: Prashanth Swaminathan <prashanthsw@google.com>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1156585}