Handle caremap for partial OTAs

When generating a partial OTA, filter care_map.pb to include only the
partial partitions, then generate OTA.

Test: Generate a partial OTA, make sure care map is included.

Change-Id: I0eaa12772eb1d06a57451e64f70689d3183f0115
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 985a21a..d4da8b2 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -276,6 +276,9 @@
     args = args[:]
     args[0] = FindHostToolPath(args[0])
 
+  if verbose is None:
+    verbose = OPTIONS.verbose
+
   # Don't log any if caller explicitly says so.
   if verbose:
     logger.info("  Running: \"%s\"", " ".join(args))