Add disable/enable camera service watchdog feature

- Allows the camera service watchdog to be enabled and disabled
- Usage: adb shell cmd media.camera set-cameraservice-watchdog [0/1]

Test: Manual
Bug: 246600576
Change-Id: I528ca819cc2be03006c77e869adf8f5fa99128d6
(cherry picked from commit aeb20dc9ce47cc36852a366cd695346550d4ca20)
diff --git a/services/camera/libcameraservice/device3/Camera3Device.cpp b/services/camera/libcameraservice/device3/Camera3Device.cpp
index 7c2f34f..d9678f7 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Device.cpp
@@ -113,10 +113,6 @@
 
 status_t Camera3Device::initializeCommonLocked() {
 
-    /** Start watchdog thread */
-    mCameraServiceWatchdog = new CameraServiceWatchdog();
-    mCameraServiceWatchdog->run("CameraServiceWatchdog");
-
     /** Start up status tracker thread */
     mStatusTracker = new StatusTracker(this);
     status_t res = mStatusTracker->run(String8::format("C3Dev-%s-Status", mId.string()).string());
@@ -230,6 +226,15 @@
     // Hidl/AidlCamera3DeviceInjectionMethods
     mInjectionMethods = createCamera3DeviceInjectionMethods(this);
 
+    /** Start watchdog thread */
+    mCameraServiceWatchdog = new CameraServiceWatchdog();
+    res = mCameraServiceWatchdog->run("CameraServiceWatchdog");
+    if (res != OK) {
+        SET_ERR_L("Unable to start camera service watchdog thread: %s (%d)",
+                strerror(-res), res);
+        return res;
+    }
+
     return OK;
 }
 
@@ -4094,6 +4099,17 @@
     }
 }
 
+status_t Camera3Device::setCameraServiceWatchdog(bool enabled) {
+    Mutex::Autolock il(mInterfaceLock);
+    Mutex::Autolock l(mLock);
+
+    if (mCameraServiceWatchdog != NULL) {
+        mCameraServiceWatchdog->setEnabled(enabled);
+    }
+
+    return OK;
+}
+
 void Camera3Device::RequestThread::cleanUpFailedRequests(bool sendRequestError) {
     if (mNextRequests.empty()) {
         return;