Reset thread's interrupted flag when catching InterruptedException

Closes gh-6360

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/RemoteSpringApplication.java

@@ -91,7 +91,7 @@ public final class RemoteSpringApplication {
 				Thread.sleep(1000);
 			}
 			catch (InterruptedException ex) {
-				// Ignore
+				Thread.currentThread().interrupt();
 			}
 		}
 	}

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/autoconfigure/FileWatchingFailureHandler.java

@@ -52,7 +52,7 @@ class FileWatchingFailureHandler implements FailureHandler {
 			latch.await();
 		}
 		catch (InterruptedException ex) {
-			// Ignore
+			Thread.currentThread().interrupt();
 		}
 		return Outcome.RETRY;
 	}

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/filewatch/FileSystemWatcher.java

@@ -239,7 +239,7 @@ public class FileSystemWatcher {
 					scan();
 				}
 				catch (InterruptedException ex) {
-					// Ignore
+					Thread.currentThread().interrupt();
 				}
 				remainingScans = this.remainingScans.get();
 			}

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/remote/client/DelayedLiveReloadTrigger.java

@@ -96,7 +96,7 @@ class DelayedLiveReloadTrigger implements Runnable {
 			this.liveReloadServer.triggerReload();
 		}
 		catch (InterruptedException ex) {
-			// Ignore
+			Thread.currentThread().interrupt();
 		}
 	}
 

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/tunnel/client/TunnelClient.java

@@ -98,7 +98,7 @@ public class TunnelClient implements SmartInitializingSingleton {
 				this.serverThread.join(2000);
 			}
 			catch (InterruptedException ex) {
-				// Ignore
+				Thread.currentThread().interrupt();
 			}
 			this.serverThread = null;
 		}

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/tunnel/server/HttpTunnelServer.java

@@ -273,6 +273,7 @@ public class HttpTunnelServer {
 						this.httpConnections.wait(HttpTunnelServer.this.longPollTimeout);
 					}
 					catch (InterruptedException ex) {
+						Thread.currentThread().interrupt();
 						closeHttpConnections();
 					}
 					httpConnection = this.httpConnections.pollFirst();
@@ -442,7 +443,7 @@ public class HttpTunnelServer {
 						}
 					}
 					catch (InterruptedException ex) {
-						// Ignore
+						Thread.currentThread().interrupt();
 					}
 				}
 			}