Android handler: Fix name collision.

shell/android/apk/src/org/chromium/mojo/shell/AndroidHandler.java

Index: shell/android/apk/src/org/chromium/mojo/shell/AndroidHandler.java
diff --git a/shell/android/apk/src/org/chromium/mojo/shell/AndroidHandler.java b/shell/android/apk/src/org/chromium/mojo/shell/AndroidHandler.java
index 9719f1902e18f05f2cd55512860535e6a7ae382d..d03c581ae8f8b7955b7acf1bc5da33ff4cf9b272 100644
--- a/shell/android/apk/src/org/chromium/mojo/shell/AndroidHandler.java
+++ b/shell/android/apk/src/org/chromium/mojo/shell/AndroidHandler.java
@@ -85,7 +85,8 @@ public class AndroidHandler {
                 TraceEvent.begin("MoveBootstrapNativeLibrary");
                 // Rename the bootstrap library to prevent dlopen to think it is alread opened.
                 new File(assetDir, BOOTSTRAP_NATIVE_LIBRARY)
-                        .renameTo(File.createTempFile("bootstrap", ".so", assetDir));
+                        .renameTo(new File(nativeCreateTemporaryFile(
+                                assetDir.getAbsolutePath(), "bootstrap", ".so")));
                 TraceEvent.end("MoveBootstrapNativeLibrary");
                 new java.io.FileOutputStream(preparedSentinel).close();
             } catch (Exception e) {
@@ -124,4 +125,7 @@ public class AndroidHandler {
         return true;
     }
 
+    // Create a new temporary file. The android version has predictable names.
+    private static native String nativeCreateTemporaryFile(
+            String directory, String basename, String extension);
 }