audio: Fix VTS PCM Input tests for certain h/w platforms

Some h/w platforms require more metadata to be provided
for input streams. Otherwise, opening of a stream was
failing internally in the vendor HAL code and capture
position queries were not succeeding.

Bug: 183688436
Test: atest VtsHalAudioV7_0TargetTest
  on C1, C2, R3, S4, B5
Change-Id: Icb6d2cdb9150eb65281df2a4bea6dbe1fc6034c2