Upgrade IRadio cuttlefish impl to 1.5.

This is preparation of introducing IRadio 1.5 into Android R.

Bug: 141995149
Test: build
Change-Id: I9e3302c16d42d5c4fa13d04505b15ce69a3a630d
diff --git a/shared/config/manifest.xml b/shared/config/manifest.xml
index d20d77a..b48c372 100644
--- a/shared/config/manifest.xml
+++ b/shared/config/manifest.xml
@@ -280,7 +280,7 @@
     <hal format="hidl">
         <name>android.hardware.radio</name>
         <transport>hwbinder</transport>
-        <version>1.4</version>
+        <version>1.5</version>
         <interface>
             <name>IRadio</name>
             <instance>slot1</instance>