Holding a wakelock avoids suspend power collapse, which allow the BT idle timer to kick in, which eventually initiates BT low power modes. CRs-Fixed: 361067 Change-Id: I93e3950b6f854e70dbce092a5529120ec008c2b8 Signed-off-by: Rahul Kashyap <rkashyap@codeaurora.org>