dmprof: Fix gpu matchers in android.browser policy

tools/deep_memory_profiler/policy.android.browser.json

 {
   "components": [
     "second",
     "mmap-profiler",
     "mmap-type-profiler",
     "mmap-tcmalloc",
     "FROM_HERE_FOR_TOTAL",
     "mustbezero",
     "unhooked-absent",
     "unhooked-ashmem-dalvik-heap",
@@ skipping 10 matching lines @@
     "unhooked-file-exec-lib-chrome-shared",
     "unhooked-file-exec-lib-chrome-private",
     "unhooked-file-exec",
     "unhooked-file-nonexec-lib-chrome-shared",
     "unhooked-file-nonexec-lib-chrome-private",
     "unhooked-file-nonexec",
     "unhooked-stack",
     "unhooked-other",
     "no-bucket",
     "mmap-gpu-transferbuffer",
-    "mmap-gpu-ringbuffer",
+    "mmap-gpu-command-ringbuffer",
+    "mmap-gpu-transfer-ringbuffer",
     "mmap-catch-all",
     "tc-disk_cache-backing",
     "tc-disk_cache-other",
     "tc-sqlite3MemAlloc",
     "tc-angle",
     "tc-crypto",
     "tc-net-iobuffer",
     "tc-stl-string",
     "tc-stl-rbtree",
     "tc-stl-vector",
@@ skipping 152 matching lines @@
       "mappedpathname": ".stack.",
       "allocator": "unhooked"
     },
     {
       "name": "unhooked-other",
       "mappedpathname": ".*",
       "allocator": "unhooked"
     },
     {
       "name": "mmap-gpu-transferbuffer",
-      "stacktrace": ".*gpu::TransferBufferManager::RegisterTransferBuffer.*",
+      "stacktrace": ".*content::GpuCommandBufferStub::OnRegisterTransferBuffer.*",
       "allocator": "mmap"
     },
     {
-      "name": "mmap-gpu-ringbuffer",
+      "name": "mmap-gpu-command-ringbuffer",
       "stacktrace": ".*gpu::CommandBufferHelper::AllocateRingBuffer.*",
       "allocator": "mmap"
     },
     {
+      "name": "mmap-gpu-transfer-ringbuffer",
+      "stacktrace": ".*gpu::TransferBuffer::AllocateRingBuffer.*",
+      "allocator": "mmap"
+    },
+    {
       "name": "mmap-catch-all",
       "stacktrace": ".*",
       "allocator": "mmap"
     },
     {
       "name": "tc-disk_cache-backing",
       "stacktrace": ".*disk_cache::BackendImpl::InitBackingStore.*",
       "allocator": "malloc"
     },
     {
@@ skipping 92 matching lines @@
       "allocator": "optional"
     },
     {
       "name": "other",
       "stacktrace": "optional",
       "allocator": "optional"
     }
   ],
   "version": "POLICY_DEEP_3"
 }