Wifi: Uprev Wifi HAL to 1.4

Move Wifi HAL from 1.3 to 1.4
This commit also include adding the VINTF fragment definition for IWifi
hal.

Bug: 138243400
Test: Builds and wifi works
Change-Id: I5ec9b21f8d6b7e1b5b5e47e26681dd4ed3ffcc2d
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index d4f53cd..ef1cd75 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -491,7 +491,7 @@
     </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.wifi</name>
-        <version>1.0-3</version>
+        <version>1.0-4</version>
         <interface>
             <name>IWifi</name>
             <instance>default</instance>