servicemanager: use recovery VINTF data.

Call into VintfObjectRecovery::getRecoveryHalManifest in
recovery mode, which only reads from /system/etc/vintf
in the recovery ramdisk.

Test: install cuttlefish health HAL then boot into recovery mode,
      hal can start.
Fixes: 170338625

Change-Id: If65e7fed9541239c47b3c1fd1afe644d7b16ee39