modify device.mk for exposing supported pool type default : ION(1 << 16) | BUFFERQUEUE(1 << 18) add : GRALLOC(1 << 17) Bug: 227283773 Test: CtsMediaV2TestCases Change-Id: Iab38bc7818e95c032552ed9bf79d68b50f8eadcd Signed-off-by: Taehwan Kim <t_h.kim@samsung.com>