Fix proguard packaging in the tools.

Change-Id: I061734afecaca30582e6659303c17b2154be8f47
diff --git a/build.gradle b/build.gradle
index 350f466..fe2facd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -41,6 +41,14 @@
             into 'lib'
             notice null
         }
+        item('files/proguard-project.txt') {
+            into 'proguard'
+            notice null
+        }
+        item('files/proguard-android-optimize.txt') {
+            into 'proguard'
+            notice null
+        }
 
         item('files/devices.xml') {
             into 'lib'
@@ -69,6 +77,51 @@
             into 'lib/pc-bios'
             notice null
         }
+
+        item("$rootProject.projectDir.parentFile/prebuilts/tools/common/proguard/license.html") {
+            into 'proguard'
+            notice null
+        }
+
+        item("$rootProject.projectDir.parentFile/prebuilts/tools/common/proguard/proguard4.7/README") {
+            into 'proguard'
+            notice null
+        }
+
+        item("$rootProject.projectDir.parentFile/prebuilts/tools/common/proguard/proguard4.7/docs") {
+            into 'proguard/docs'
+            notice null
+        }
+
+        item("$rootProject.projectDir.parentFile/prebuilts/tools/common/proguard/proguard4.7/examples") {
+            into 'proguard/examples'
+            notice null
+        }
+
+        item("$rootProject.projectDir.parentFile/prebuilts/tools/common/proguard/proguard4.7/lib") {
+            into 'proguard/lib'
+            notice null
+        }
+
+        item("$rootProject.projectDir.parentFile/prebuilts/tools/common/proguard/proguard4.7/bin/proguard.sh") {
+            into 'proguard/bin'
+            notice null
+        }
+
+        item("$rootProject.projectDir.parentFile/prebuilts/tools/common/proguard/proguard4.7/bin/proguardgui.sh") {
+            into 'proguard/bin'
+            notice null
+        }
+
+        item("$rootProject.projectDir.parentFile/prebuilts/tools/common/proguard/proguard4.7/bin/retrace.sh") {
+            into 'proguard/bin'
+            notice null
+        }
+
+        item("$rootProject.projectDir.parentFile/prebuilts/tools/common/proguard/proguard4.7/src/proguard/ant/task.properties") {
+            into 'proguard/ant'
+            notice null
+        }
     }
 
     linux {