Suppress zip & spdy tests that are OOMing with a 48MB max heap.

Some of these tests allocate only about 2mb of ram, so we need to
analyze the state of the heap to figure out where this memory is
going.

bug: 18256012
Change-Id: I11ed892d9798bb24d7e5cedc7e93e9c8e7afe80d
1 file changed