Update Defconfig

Change-Id: I5aa2c8e73044d64dfc0f31eec2a155472291f81d
mm: fix deadlock when low on memory

Change-Id: I15bba5a56d9a977eae61a0f8db97e670ac345fd5
Fix compiler warning

Change-Id: Iad0abc0c3a85125aea95b02994c2dc04dca3ab3a
DO NOT USE: Set VRAM to 16MB for testing (on request)

Change-Id: I7cfec8888b0f15624d3e8e5e8957a04373684583