Add java coverage to CQ experimental builders on Android emulator

This adds java coverage to the 2 builders so they will run both clang
and java coverage in a build. This is for the experiment before running
both java and clang coverage in the existing CQ emulator builders.

Bug: 1416662
Change-Id: If1c58f5428dd12052c66fd812488ef2a46643cd7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4875965
Reviewed-by: Haiyang Pan <hypan@google.com>
Commit-Queue: Zhaoyang Li <zhaoyangli@chromium.org>
Reviewed-by: Prakhar Asthana <pasthana@google.com>
Cr-Commit-Position: refs/heads/main@{#1198899}