h/q/d: Add missing ASTC format

Adds support for Khronos format COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR

Change-Id: I2ca2c548cbcca0c56f28d2158cb5a0d01a326f0f
diff --git a/libgralloc/alloc_controller.cpp b/libgralloc/alloc_controller.cpp
index a2c2f14..b345f50 100644
--- a/libgralloc/alloc_controller.cpp
+++ b/libgralloc/alloc_controller.cpp
@@ -512,6 +512,7 @@
         case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
         case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
         case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+        case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
             size = alignedw * alignedh * ASTC_BLOCK_SIZE;
             break;
         default: