AW: Trick to Bill constant for targetsAtLeastQ

When the app targets at least Q, we should return a dedicated integer
constant. Otherwise, we should return UNKNOWN for backwards
compatibility.

Bug: 887186
Test: run_run_webview_instrumentation_test_apk -f=SafeBrowsingTest#*Billing*
Change-Id: Ifcab24c33469d3c5ce31dafa3b947a60cf6a82ed
Reviewed-on: https://chromium-review.googlesource.com/c/1406317
Reviewed-by: Varun Khaneja <vakh@chromium.org>
Reviewed-by: Changwan Ryu <changwan@chromium.org>
Commit-Queue: Nate Fischer <ntfschr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#622117}
2 files changed