Add Guava prebuilt for tools

This changeset adds version 10.0.1 of the Guava library into
prebuilts/tools/. We have a separate versions of Guava, independent
from the one in prebuilt/, since tools are branched independently from
the platform.

Change-Id: Icf934736e1657d89e7fe2a89b0f20900eb06cb9c
diff --git a/common/guava-tools/PREBUILT b/common/guava-tools/PREBUILT
new file mode 100644
index 0000000..bf3d431
--- /dev/null
+++ b/common/guava-tools/PREBUILT
@@ -0,0 +1,7 @@
+The objects in this prebuilt directory can be rebuilt
+using the source archive hosted at
+
+http://search.maven.org/remotecontent?filepath=com/google/guava/guava/10.0.1/guava-10.0.1-sources.jar
+
+Source code repository:
+https://code.google.com/p/guava-libraries/