IVGCVSW-2386 Work around Compute Library Arm v7 issue
IVGCVSW-2386 Work around Compute Library Arm v7 issue

per COMPMID-1818 change to using Blob-based memory manager.
Will change back when COMPMID-1848 is fixed.

Change-Id: I6e22c2edf422202410faa717b330a2c96c3ebbe5

ARM-software/armnn,ARM-software/armnn,ARM-software/armnn