vold: retry mounting partition

Works around a race condition between the vold and MountService uevent handlers

Change-Id: I71c92f2e9b92e1fefc192da166a91d81bc60e242
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/Volume.h b/Volume.h
index ad3dcd8..f57ff91 100644
--- a/Volume.h
+++ b/Volume.h
@@ -52,6 +52,7 @@
     VolumeManager *mVm;
     bool mDebug;
     int mPartIdx;
+    bool mRetryMount;
 
     /*
      * The major/minor tuple of the currently mounted filesystem.