Revert^2 "health: require AIDL HAL and deprecate HIDL HAL."

c223843fa7b6431d99eed58b0d8edefe4e0213eb

Change-Id: I48d2bc41338dc3d5eb194c6f4e4602af407e3e56
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index ece4de7..6c8ff37 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -268,16 +268,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="false">
-        <name>android.hardware.health</name>
-        <version>2.1</version>
-        <interface>
-            <name>IHealth</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <!-- TODO(b/177269435): require health AIDL HAL and deprecate HIDL HAL -->
-    <hal format="aidl" optional="true">
+    <hal format="aidl" optional="false">
         <name>android.hardware.health</name>
         <version>1</version>
         <interface>