audio: prefer STRATEGY_SONIFICATION when ringotne is active

Use the STRATEGY_SONIFICATION as the major routing
when ringtone is concurrency with touch/system/media playback

Bug: 191220137
Test:
b/192304579 to test
1. incoming ring on haptic audio + touch/media on BT/USB/Speaker Safe
2. incoming ring on primary + touch/media on BT/USB/Speaker Safe
Signed-off-by: Carter Hsu <carterhsu@google.com>
Change-Id: Id7da4e66cf8533798f5098c02aaacbbe574e3290