IPA HAL: Remove Downstream Iface

Empty iface and garbage iface names should return an error
when passed to removeDownstream.

Bug: 65612332
Test: compile
Crs-fixed: 2105305

Change-Id: Ib4a99bd6cefe372ac4292b53842bd76e767449a1
Signed-off-by: Tyler Wear <twear@codeaurora.org>
Signed-off-by: Niranjan Pendharkar <npendhar@codeaurora.org>
(cherry picked from commit f4102a5c59f994d40d22bdb9f1806d6bcc120a79)
2 files changed
tree: 1209b4b7f259d495bd7bfdc5e3d50943c22fd538
  1. msm8998/
  2. Android.mk