Add noexcept to move constructors and assignment operators.

Bug: 116614593
Test: build with WITH_TIDY=1
Change-Id: I47101c362198665194f8b3248751caaa7da32505
diff --git a/libs/gui/FrameTimestamps.cpp b/libs/gui/FrameTimestamps.cpp
index a379ad6..85ae433 100644
--- a/libs/gui/FrameTimestamps.cpp
+++ b/libs/gui/FrameTimestamps.cpp
@@ -621,7 +621,7 @@
 // ============================================================================
 
 FrameEventHistoryDelta& FrameEventHistoryDelta::operator=(
-        FrameEventHistoryDelta&& src) {
+        FrameEventHistoryDelta&& src) noexcept {
     mCompositorTiming = src.mCompositorTiming;
 
     if (CC_UNLIKELY(!mDeltas.empty())) {