Add a common project for smallish emulator prebuilts.

This CL adds the path prebuilts/android-emulator-build/common.
All small prebuilts needed for emulator build should be housed here in
the future.

BUG=23994168

default.xml

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<manifest>
+
+  <remote  name="aosp"
+           fetch=".."
+           review="https://android-review.googlesource.com/" />
+  <default revision="emu-1.4-release"
+           remote="aosp"
+           sync-j="4" />
+
+  <project path="tools/buildSrc" name="platform/tools/buildSrc">
+    <copyfile src="base/build.gradle"      dest="tools/build.gradle" />
+    <copyfile src="base/settings.gradle"   dest="tools/settings.gradle" />
+    <copyfile src="base/gradlew"           dest="tools/gradlew" />
+    <copyfile src="base/gradlew.bat"       dest="tools/gradlew.bat" />
+    <copyfile src="base/gradle.properties" dest="tools/gradle.properties" />
+  </project>
+
+  <project path="external/ant-glob" name="platform/external/ant-glob" />
+  <project path="external/eclipse-windowbuilder" name="platform/external/eclipse-windowbuilder" />
+  <project path="external/gtest" name="platform/external/gtest" />
+  <project path="external/emma" name="platform/external/emma" />
+  <project path="external/iosched" name="platform/external/iosched" />
+  <project path="external/protobuf" name="platform/external/protobuf" />
+  <project path="external/qemu" name="platform/external/qemu" />
+  <project path="external/qemu-android" name="platform/external/qemu-android" />
+  <project path="frameworks/native" name="platform/frameworks/native" />
+  <project path="prebuilts/android-emulator" name="platform/prebuilts/android-emulator" />
+  <project path="prebuilts/android-emulator-build/archive" name="platform/prebuilts/android-emulator-build/archive" clone-depth="1" />
+  <project path="prebuilts/android-emulator-build/common" name="platform/prebuilts/android-emulator-build/common" clone-depth="1" />
+  <project path="prebuilts/android-emulator-build/curl" name="platform/prebuilts/android-emulator-build/curl" clone-depth="1" />
+  <project path="prebuilts/android-emulator-build/mesa" name="platform/prebuilts/android-emulator-build/mesa" clone-depth="1" />
+  <project path="prebuilts/android-emulator-build/mesa-deps" name="platform/prebuilts/android-emulator-build/mesa-deps" clone-depth="1" />
+  <project path="prebuilts/android-emulator-build/qemu-android-deps" name="platform/prebuilts/android-emulator-build/qemu-android-deps" clone-depth="1" />
+  <project path="prebuilts/clang/darwin-x86/host/3.5" name="platform/prebuilts/clang/darwin-x86/host/3.5" clone-depth="1" />
+  <project path="prebuilts/clang/darwin-x86/host/3.6" name="platform/prebuilts/clang/darwin-x86/host/3.6" clone-depth="1" />
+  <project path="prebuilts/clang/darwin-x86/sdk/3.5" name="platform/prebuilts/clang/darwin-x86/sdk/3.5" />
+  <project path="prebuilts/eclipse-build-deps" name="platform/prebuilts/eclipse-build-deps" />
+  <project path="prebuilts/eclipse-build-deps-sources" name="platform/prebuilts/eclipse-build-deps-sources" />
+  <project path="prebuilts/eclipse" name="platform/prebuilts/eclipse" />
+  <project path="prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.8" name="platform/prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.8" />
+  <project path="prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8" name="platform/prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8" />
+  <project path="prebuilts/qemu-kernel" name="platform/prebuilts/qemu-kernel" />
+  <project path="prebuilts/tools" name="platform/prebuilts/tools" />
+  <project path="sdk" name="platform/sdk" />
+  <project path="tools/adt/eclipse" name="platform/tools/adt/eclipse" />
+  <project path="tools/base" name="platform/tools/base" />
+  <project path="tools/emulator" name="platform/tools/emulator" />
+  <project path="tools/external/fat32lib" name="platform/tools/external/fat32lib" />
+  <project path="tools/external/gradle" name="platform/tools/external/gradle" />
+  <project path="tools/gradle" name="platform/tools/gradle" />
+  <project path="tools/swt" name="platform/tools/swt" />
+
+</manifest>