Add shaderc components to the NDK manifest.

(cherry picked from commit 43eef65c28)

default.xml

@@ -4,7 +4,7 @@
   <remote  name="aosp"
            fetch=".."
            review="https://android-review.googlesource.com/" />
-  <default revision="master"
+  <default revision="ndk-r11-release"
            remote="aosp"
            sync-j="4" />
 
@@ -12,6 +12,9 @@
   <project path="chromite" name="platform/external/chromite" />
   <project path="chromite/config" name="toolchain/ndk_chromite_config" />
   <project path="development" name="platform/development" groups="pdk-cw-fs" />
+  <project path="external/shaderc/glslang" name="platform/external/shaderc/glslang" />
+  <project path="external/shaderc/shaderc" name="platform/external/shaderc/shaderc" />
+  <project path="external/shaderc/spirv-tools" name="platform/external/shaderc/spirv-tools" />
   <project path="ndk" name="platform/ndk" />
   <project path="prebuilts/clang/darwin-x86/host/3.6" name="platform/prebuilts/clang/darwin-x86/host/3.6" groups="pdk,darwin" />
   <project path="prebuilts/clang/linux-x86/host/3.6" name="platform/prebuilts/clang/linux-x86/host/3.6" groups="pdk,linux" />
@@ -34,7 +37,7 @@
   <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/gcc/linux-x86/mips/mips64el-linux-android-4.9" name="platform/prebuilts/gcc/linux-x86/mips/mips64el-linux-android-4.9" groups="pdk,linux,mips" />
   <project path="prebuilts/gcc/linux-x86/x86/x86_64-linux-android-4.9" name="platform/prebuilts/gcc/linux-x86/x86/x86_64-linux-android-4.9" groups="pdk,linux,x86" />
-  <project path="prebuilts/ndk" name="platform/prebuilts/ndk" revision="dev" groups="pdk" />
+  <project path="prebuilts/ndk" name="platform/prebuilts/ndk" groups="pdk" />
   <project path="prebuilts/python/darwin-x86/2.7.5" name="platform/prebuilts/python/darwin-x86/2.7.5" groups="darwin,pdk,pdk-cw-fs" />
   <project path="prebuilts/python/linux-x86/2.7.5" name="platform/prebuilts/python/linux-x86/2.7.5" groups="linux,pdk,pdk-cw-fs" />
   <project path="toolchain/binutils" name="toolchain/binutils" />