leaudio: Fix dumpsys direction printing

It fixes direction print for TWS and minor formating fix

 == Group id: 3 == , Active
      state: IDLE (0x00),       target state: IDLE (0x00),      cig state: NONE (0x00)
      group available contexts: UNSPECIFIED | CONVERSATIONAL | MEDIA | GAME (0x000f)
      configuration context type: MEDIA
      active configuration name: SingleDev_OneChanStereoSnk_48_4_High_Reliability
      stream configuration: SingleDev_OneChanStereoSnk_48_4_High_Reliability
      codec id: 0,      pending_configuration: 0
      num of devices(connected): 1(1)
,     num of sinks(connected): 0(0)
      num of sources(connected): 0(0)
      allocated CISes: 0
      == devices: ==
        address: xx:xx:xx:xx:be:bc: CONNECTED (0x01): 1035, acl_handle: 64, left/right, Encrypted,mtu: 512
        number of ases_: 3
        == ASEs ==
        id  active dir     cis_id  cis_handle  sdu  latency rtn  state
        1   false  sink    255     0           120  100     13   IDLE (0x00)
        2   false  sink    255     0           120  100     13   IDLE (0x00)
        3   false  source  255     0           0    0       0    IDLE (0x00)
        ====

Bug: none
Test: manual/compile
Tag: #feature

Change-Id: Id5a0f3fe1cc5461cd0843198178742399fa4fb13