logmasklibrary: update version info and freeze api

The versions were originally not specified in the device manifest and
compatibility matrices. This is changed here to fix the broken vts
tests.

Bug: 310109332
Test: atest vts_treble_vintf_vendor_test -- --abi arm64-v8a
Change-Id: I58653ed6f284b091995c93e9bf44a65023f380db

Author: kierancyphus

device_framework_matrix_product.xml

@@ -195,6 +195,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>com.google.pixel.modem.logmasklibrary</name>
+        <version>1</version>
         <interface>
             <name>ILiboemserviceProxy</name>
             <instance>default</instance>