-return main device on getConnectedHearingAidDevice() -add test case Bug: 123777253 Test: make -j42 RunSettingsRoboTests Change-Id: I63522311b2248df983f200864b5465c0055056da
-return main device on getConnectedHearingAidDevice() -add test case Bug: 123777253 Test: make -j42 RunSettingsRoboTests Change-Id: I63522311b2248df983f200864b5465c0055056da