Revert "Change HIDL fmq tests to use int32_t for payload"

Revert "Change payload type to int32_t for fmq device tests"

Revert submission 1431616-thirtytwo

Reason for revert: This topic broke the aosp_x86-userdebug target. Details at http://b/169077648

Reverted Changes:
If736389eb:Add template parameters to MQDescriptor
Ice9c28c3d:Change HIDL fmq tests to use int32_t for payload
Ia18d8459b:Add template arguments to MQDescriptor for AIDL
I95586cc83:Change payload type to int32_t for fmq device test...

Change-Id: Iaf37a5dca7a915f098e49ecb076c0932eb60e0c3
diff --git a/tests/msgq/1.0/ITestMsgQ.hal b/tests/msgq/1.0/ITestMsgQ.hal
index bd10237..112270a 100644
--- a/tests/msgq/1.0/ITestMsgQ.hal
+++ b/tests/msgq/1.0/ITestMsgQ.hal
@@ -31,7 +31,7 @@
      *
      * @return ret True if the setup is successful.
      */
-    configureFmqSyncReadWrite(fmq_sync<int32_t> mqDesc) generates(bool ret);
+    configureFmqSyncReadWrite(fmq_sync<uint16_t> mqDesc) generates(bool ret);
 
     /**
      * This method requests the service to return an MQDescriptor to
@@ -46,7 +46,7 @@
      * @return mqDesc This structure describes the unsynchronized FMQ that was
      * set up by the service. Client can use it to set up the FMQ at its end.
      */
-    getFmqUnsyncWrite(bool configureFmq) generates(bool ret, fmq_unsync<int32_t> mqDesc);
+    getFmqUnsyncWrite(bool configureFmq) generates(bool ret, fmq_unsync<uint16_t> mqDesc);
 
     /**
      * This method request the service to write into the synchronized read/write