update with -Wdocumentation.

Some clients use this, and it was breaking them if they tried to use
some of our headers (specifically 1.0 service manager). Putting this
up to unblock those changes.

Bug: N/A
Test: mma (-Wdocumentation checked at build time)
Change-Id: I4453848bf91f1d20d0c5c1a28dd9f9e6f5de99fc
diff --git a/Android.bp b/Android.bp
index 0f91348..fd750fa 100644
--- a/Android.bp
+++ b/Android.bp
@@ -16,6 +16,7 @@
     name: "libhidl-defaults",
     cflags: [
         "-Wall",
+        "-Wdocumentation", // since some users use this
         "-Werror",
         "-Wextra-semi",
     ],
diff --git a/transport/current.txt b/transport/current.txt
index 3794dfe..322857a 100644
--- a/transport/current.txt
+++ b/transport/current.txt
@@ -21,6 +21,7 @@
 2e19301ceb87fb0696cd8268fab9c41f95d23c7392d35bc575daaa6eb32807eb android.hidl.memory.token@1.0::IMemoryToken
 
 # ABI preserving changes to HALs during Android Q
+85394f8a0d15e7fb2ee45c52d1fb8b8fd3c13c333e63c78c4aa1ff86840cf6dc android.hidl.manager@1.0::IServiceManager
 fcde1d0788066a62d5766f4dc19d4c1ec76967d5ddb636f59ccc66603460bcf8 android.hidl.manager@1.0::IServiceNotification
 
 # Clarification for b/67503915
diff --git a/transport/manager/1.0/IServiceManager.hal b/transport/manager/1.0/IServiceManager.hal
index 2b59a56..6eddefb 100644
--- a/transport/manager/1.0/IServiceManager.hal
+++ b/transport/manager/1.0/IServiceManager.hal
@@ -43,7 +43,7 @@
      * WARNING: This function is for libhidl/HwBinder use only. You are likely
      * looking for 'IMyInterface::getService("name")' instead.
      *
-     * @param iface    Fully-qualified interface name.
+     * @param fqName   Fully-qualified interface name.
      * @param name     Instance name. Same as in IServiceManager::add.
      *
      * @return service Handle to requested service, same as provided in