Add tracepoint for reportFullyDrawn

Adds in a tracepoint for the app startup reportFullyDrawn API under the
activity manager category.

Test: Flashed build and took a trace of messages, verified RFD
tracepoint triggered.
Bug: 172604392

Change-Id: I86733f70bdd4902ec63d9922d7418c648d4089cc

1 files changed, 6 insertions, 0 deletions

diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 2ac345d2560a..735f9462d6e0 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -2701,12 +2701,18 @@ public class Activity extends ContextThemeWrapper
      */
     public void reportFullyDrawn() {
         if (mDoReportFullyDrawn) {
+            if (Trace.isTagEnabled(Trace.TRACE_TAG_ACTIVITY_MANAGER)) {
+                Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER,
+                        "reportFullyDrawn() for " + mComponent.toShortString());
+            }
             mDoReportFullyDrawn = false;
             try {
                 ActivityTaskManager.getService().reportActivityFullyDrawn(
                         mToken, mRestoredFromBundle);
                 VMRuntime.getRuntime().notifyStartupCompleted();
             } catch (RemoteException e) {
+            } finally {
+                Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
             }
         }
     }