Add optional notifyThresholdChanged API

Bump thermal HAL to v3

Bug: 360486877
Flag: EXEMPT AIDL interface changes
Test: atest VtsHalThermalTargetTest
Change-Id: I3954301c11351153f2df1d111f7fe2439cc16aae
diff --git a/thermal/aidl/default/thermal-example.xml b/thermal/aidl/default/thermal-example.xml
index 08dc68c..148ddbf 100644
--- a/thermal/aidl/default/thermal-example.xml
+++ b/thermal/aidl/default/thermal-example.xml
@@ -1,7 +1,7 @@
 <manifest version="1.0" type="device">
     <hal format="aidl">
         <name>android.hardware.thermal</name>
-        <version>2</version>
+        <version>3</version>
         <fqname>IThermal/default</fqname>
     </hal>
 </manifest>