Protect id generator with GUARDED_BY am: 59e302b89e am: edfacb8c7c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23562843

Change-Id: Iaff480a6605069fdc31ec7d4df96e0ca8f6d4883
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 4e3330a..3346f07 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -4112,11 +4112,11 @@
         }
     }
 
-    if (action == AMOTION_EVENT_ACTION_DOWN) {
-        LOG_ALWAYS_FATAL_IF(splitDownTime != originalMotionEntry.eventTime,
-                            "Split motion event has mismatching downTime and eventTime for "
-                            "ACTION_DOWN, motionEntry=%s, splitDownTime=%" PRId64,
-                            originalMotionEntry.getDescription().c_str(), splitDownTime);
+    if (action == AMOTION_EVENT_ACTION_DOWN && splitDownTime != originalMotionEntry.eventTime) {
+        logDispatchStateLocked();
+        LOG_ALWAYS_FATAL("Split motion event has mismatching downTime and eventTime for "
+                         "ACTION_DOWN, motionEntry=%s, splitDownTime=%" PRId64,
+                         originalMotionEntry.getDescription().c_str(), splitDownTime);
     }
 
     int32_t newId = mIdGenerator.nextId();
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index 3029e6f..53b140e 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -202,7 +202,7 @@
 
     DropReason mLastDropReason GUARDED_BY(mLock);
 
-    const IdGenerator mIdGenerator;
+    const IdGenerator mIdGenerator GUARDED_BY(mLock);
 
     int64_t mWindowInfosVsyncId GUARDED_BY(mLock);
 
@@ -649,7 +649,7 @@
     // splitDownTime refers to the time of first 'down' event on that particular target
     std::unique_ptr<MotionEntry> splitMotionEvent(const MotionEntry& originalMotionEntry,
                                                   std::bitset<MAX_POINTER_ID + 1> pointerIds,
-                                                  nsecs_t splitDownTime);
+                                                  nsecs_t splitDownTime) REQUIRES(mLock);
 
     // Reset and drop everything the dispatcher is doing.
     void resetAndDropEverythingLocked(const char* reason) REQUIRES(mLock);