[cleanup] Fix a clang-tidy warning

Move constructors should be noexcept where possible

Bug: 153704006
Test: builds & boots
Change-Id: I9de0b09a6b1e29cb9c2e21cdf05b96983fa6091c
diff --git a/libs/binder/include/binder/ParcelFileDescriptor.h b/libs/binder/include/binder/ParcelFileDescriptor.h
index 2ede6c4..71e1d3c 100644
--- a/libs/binder/include/binder/ParcelFileDescriptor.h
+++ b/libs/binder/include/binder/ParcelFileDescriptor.h
@@ -31,8 +31,8 @@
 public:
     ParcelFileDescriptor();
     explicit ParcelFileDescriptor(android::base::unique_fd fd);
-    ParcelFileDescriptor(ParcelFileDescriptor&& other) : mFd(std::move(other.mFd)) { }
-    ParcelFileDescriptor& operator=(ParcelFileDescriptor&& other) = default;
+    ParcelFileDescriptor(ParcelFileDescriptor&& other) noexcept : mFd(std::move(other.mFd)) { }
+    ParcelFileDescriptor& operator=(ParcelFileDescriptor&& other) noexcept = default;
     ~ParcelFileDescriptor() override;
 
     int get() const { return mFd.get(); }