Skip gapless offload test when offload is not currently possible.

Bug: 286176933
Bug: 326555684
Test: atest AudioTrackOffloadTest
Change-Id: If932e4f38ee591e8ef903eab83c3e0a6f4466e2a
Merged-In: If932e4f38ee591e8ef903eab83c3e0a6f4466e2a
1 file changed