Add addtional LS shade dragDown logs

Test: manually view logs in LSShadeTransitionLog section from
`adb shell dumpsys activity service com.android.systemui`
Bug: 216500919
Change-Id: Id4a63b2e3b5bd4f49d7a6aee2b9257c7ad7251b3

packages/SystemUI/src/com/android/systemui/statusbar/LockscreenShadeTransitionController.kt

@@ -248,6 +248,7 @@ class LockscreenShadeTransitionController @Inject constructor(
                         // override that
                         forceApplyAmount = true
                         // Reset the behavior. At this point the animation is already started
+                        logger.logDragDownAmountReset()
                         dragDownAmount = 0f
                         forceApplyAmount = false
                     }
@@ -409,6 +410,7 @@ class LockscreenShadeTransitionController @Inject constructor(
         setDragDownAmountAnimated(fullTransitionDistance.toFloat(), delay = delay) {
             // End listener:
             // Reset
+            logger.logDragDownAmountReset()
             dragDownAmount = 0f
             forceApplyAmount = false
         }

packages/SystemUI/src/com/android/systemui/statusbar/phone/LSShadeTransitionLogger.kt

@@ -44,7 +44,7 @@ class LSShadeTransitionLogger @Inject constructor(
 
     fun logDragDownAborted() {
         buffer.log(TAG, LogLevel.INFO, {}, {
-            "The drag down was reset"
+            "The drag down was aborted and reset to 0f."
         })
     }
 
@@ -82,6 +82,12 @@ class LSShadeTransitionLogger @Inject constructor(
             LockscreenGestureLogger.LockscreenUiEvent.LOCKSCREEN_PULL_SHADE_OPEN)
     }
 
+    fun logDragDownAmountReset() {
+        buffer.log(TAG, LogLevel.DEBUG, {}, {
+            "The drag down amount has been reset to 0f."
+        })
+    }
+
     fun logDefaultGoToFullShadeAnimation(delay: Long) {
         buffer.log(TAG, LogLevel.DEBUG, {
             long1 = delay