Add DMA-BUF heap perfetto metrics

Add average/total/min/max metrics for DMA-BUF heaps.

Test: out/ftrace_proto_gen_build/trace_processor_shell  --run-metrics
android_dma_heap mytrace
Test: tools/diff_test_trace_processor.py
--trace-filter='android_dma_heap'
out/ftrace_proto_gen_build/trace_processor_shell

Change-Id: Iebff526bc28ab5bc8630bbe851b07fc6e72b4714
diff --git a/Android.bp b/Android.bp
index c83a523..d0eb9b0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -3634,6 +3634,7 @@
     "protos/perfetto/metrics/android/batt_metric.proto",
     "protos/perfetto/metrics/android/cpu_metric.proto",
     "protos/perfetto/metrics/android/display_metrics.proto",
+    "protos/perfetto/metrics/android/dma_heap_metric.proto",
     "protos/perfetto/metrics/android/fastrpc_metric.proto",
     "protos/perfetto/metrics/android/g2d_metric.proto",
     "protos/perfetto/metrics/android/gpu_metric.proto",
@@ -3680,6 +3681,7 @@
     "protos/perfetto/metrics/android/batt_metric.proto",
     "protos/perfetto/metrics/android/cpu_metric.proto",
     "protos/perfetto/metrics/android/display_metrics.proto",
+    "protos/perfetto/metrics/android/dma_heap_metric.proto",
     "protos/perfetto/metrics/android/fastrpc_metric.proto",
     "protos/perfetto/metrics/android/g2d_metric.proto",
     "protos/perfetto/metrics/android/gpu_metric.proto",
@@ -7702,6 +7704,7 @@
     "src/trace_processor/metrics/android/android_cpu.sql",
     "src/trace_processor/metrics/android/android_cpu_agg.sql",
     "src/trace_processor/metrics/android/android_cpu_raw_metrics_per_core.sql",
+    "src/trace_processor/metrics/android/android_dma_heap.sql",
     "src/trace_processor/metrics/android/android_fastrpc.sql",
     "src/trace_processor/metrics/android/android_gpu.sql",
     "src/trace_processor/metrics/android/android_hwcomposer.sql",