Remove string concatenation uses with ActiveGestureLog

Flag: ENABLE_LONG_PRESS_NAV_HANDLE
Bug: 301953713
Test: checked logs
Change-Id: Id5c3bdf170fdb56305c585f1c34ec9a5310256b8
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index d2c6ad2..02d0f39 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -923,8 +923,8 @@
             handleOrientationSetup(base);
         }
         if (mDeviceState.isFullyGesturalNavMode() || newGestureState.isTrackpadGesture()) {
-            String reasonPrefix = "device is in gesture navigation mode or 3-button mode with a"
-                    + " trackpad gesture";
+            String reasonPrefix =
+                    "device is in gesture navigation mode or 3-button mode with a trackpad gesture";
             if (mDeviceState.canTriggerAssistantAction(event)) {
                 reasonString.append(NEWLINE_PREFIX)
                         .append(reasonPrefix)
@@ -945,8 +945,8 @@
                     reasonString.append(NEWLINE_PREFIX)
                             .append(reasonPrefix)
                             .append(SUBSTRING_PREFIX)
-                            .append("TaskbarActivityContext != null, "
-                                    + "using TaskbarUnstashInputConsumer");
+                            .append("TaskbarActivityContext != null, ")
+                            .append("using TaskbarUnstashInputConsumer");
                     base = new TaskbarUnstashInputConsumer(this, base, mInputMonitorCompat, tac,
                             mOverviewCommandHelper);
                 }
@@ -955,8 +955,8 @@
                 reasonString.append(NEWLINE_PREFIX)
                         .append(reasonPrefix)
                         .append(SUBSTRING_PREFIX)
-                        .append("Long press nav handle enabled, "
-                                + "using NavHandleLongPressInputConsumer");
+                        .append("Long press nav handle enabled, ")
+                        .append("using NavHandleLongPressInputConsumer");
                 base = new NavHandleLongPressInputConsumer(this, base, mInputMonitorCompat);
             }
 
@@ -1149,8 +1149,8 @@
         if ((mDeviceState.isFullyGesturalNavMode() || gestureState.isTrackpadGesture())
                 && gestureState.getRunningTask() != null) {
             reasonString.append(SUBSTRING_PREFIX)
-                    .append("device is in gesture nav mode or 3-button mode with a trackpad gesture"
-                            + "and running task != null")
+                    .append("device is in gesture nav mode or 3-button mode with a trackpad")
+                    .append(" gesture and running task != null")
                     .append(", using DeviceLockedInputConsumer");
             return new DeviceLockedInputConsumer(
                     this, mDeviceState, mTaskAnimationManager, gestureState, mInputMonitorCompat);