Reland "Update AIDL IVibrator manifest version to 2."

This is reverted in AOSP because vibrator 2 has not been published
in AOSP, but relanded in internal because vibrator 2 is in internal.

This reverts commit 9e8fe956f65cc8824d22e415246ca22c768c0c31.

Test: TH
Bug: 150034914

Change-Id: I3c40be3f9ba7806455bf5b7e8142e11c581ddb73
diff --git a/vibrator/aidl/default/vibrator-default.xml b/vibrator/aidl/default/vibrator-default.xml
index 137a811..b5bd3dd 100644
--- a/vibrator/aidl/default/vibrator-default.xml
+++ b/vibrator/aidl/default/vibrator-default.xml
@@ -1,6 +1,7 @@
 <manifest version="1.0" type="device">
     <hal format="aidl">
         <name>android.hardware.vibrator</name>
+        <version>2</version>
         <fqname>IVibrator/default</fqname>
     </hal>
     <hal format="aidl">