emulator: Disable the feature GLDMA.

android emulator team points out that the exception is related to DMA.
Disable GLDMA temporarily to see if it can fix the timeout issue on MM

Bug: 1093602
Change-Id: I940b8111db48d8b542b47f350b949dab7448d1d8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2293279
Auto-Submit: Haiyang Pan <hypan@google.com>
Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
Commit-Queue: Yuke Liao <liaoyuke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#787433}

build/android/pylib/local/emulator/avd.py

@@ -524,6 +524,8 @@ class _AvdInstance(object):
           '-report-console',
           'unix:%s' % socket_path,
           '-no-boot-anim',
+          # crbug.com/1093602: Disable GLDMA to see if it can fix timout issue
+          '-feature', '-GLDMA',
       ]
 
       if read_only: