Track AOSP aarch64 gcc 4.9 toolchains

* 6.0.0 toolchains already contain the cortex-a53 errata workarounds,
  we don't need to fork them anymore.

Change-Id: I4b277b4c4964ae925dd9aec037057b9a216d6a1a
diff --git a/default.xml b/default.xml
index 44b04f4..0bc005a 100644
--- a/default.xml
+++ b/default.xml
@@ -292,8 +292,6 @@
   <project path="packages/wallpapers/PhaseBeam" name="CyanogenMod/android_packages_wallpapers_PhaseBeam" />
   <project path="packages/wallpapers/PhotoPhase" name="CyanogenMod/android_packages_wallpapers_PhotoPhase" />
   <project path="prebuilts/cmsdk" name="CyanogenMod/android_prebuilts_cmsdk" revision="master" />
-  <project path="prebuilts/gcc/darwin-x86/aarch64/aarch64-linux-android-4.9" name="CyanogenMod/android_prebuilts_gcc_darwin-x86_aarch64_aarch64-linux-android-4.9" groups="pdk,darwin,arm" />
-  <project path="prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9" name="CyanogenMod/android_prebuilts_gcc_linux-x86_aarch64_aarch64-linux-android-4.9" groups="pdk,linux,arm" />
   <project path="system/core" name="CyanogenMod/android_system_core" groups="pdk" />
   <project path="system/extras" name="CyanogenMod/android_system_extras" groups="pdk" />
   <project path="system/extras/su" name="CyanogenMod/android_system_extras_su" />
@@ -534,12 +532,14 @@
   <project path="prebuilts/eclipse" name="platform/prebuilts/eclipse" groups="pdk" remote="aosp" />
   <project path="prebuilts/eclipse-build-deps" name="platform/prebuilts/eclipse-build-deps" groups="notdefault,eclipse" remote="aosp" />
   <project path="prebuilts/eclipse-build-deps-sources" name="platform/prebuilts/eclipse-build-deps-sources" groups="notdefault,eclipse" remote="aosp" />
+  <project path="prebuilts/gcc/darwin-x86/aarch64/aarch64-linux-android-4.9" name="platform/prebuilts/gcc/darwin-x86/aarch64/aarch64-linux-android-4.9" groups="pdk,darwin,arm" remote="aosp" />
   <project path="prebuilts/gcc/darwin-x86/arm/arm-eabi-4.8" name="platform/prebuilts/gcc/darwin-x86/arm/arm-eabi-4.8" groups="pdk,darwin,arm" remote="aosp" />
   <project path="prebuilts/gcc/darwin-x86/arm/arm-linux-androideabi-4.9" name="platform/prebuilts/gcc/darwin-x86/arm/arm-linux-androideabi-4.9" groups="pdk,darwin,arm" remote="aosp" />
   <project path="prebuilts/gcc/darwin-x86/host/headers" name="platform/prebuilts/gcc/darwin-x86/host/headers" groups="pdk,darwin" remote="aosp" />
   <project path="prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1" name="platform/prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1" groups="pdk,darwin" remote="aosp" />
   <project path="prebuilts/gcc/darwin-x86/mips/mips64el-linux-android-4.9" name="platform/prebuilts/gcc/darwin-x86/mips/mips64el-linux-android-4.9" groups="pdk,darwin,mips" remote="aosp" />
   <project path="prebuilts/gcc/darwin-x86/x86/x86_64-linux-android-4.9" name="platform/prebuilts/gcc/darwin-x86/x86/x86_64-linux-android-4.9" groups="pdk,darwin,x86" remote="aosp" />
+  <project path="prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9" name="platform/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9" groups="pdk,linux,arm" remote="aosp" />
   <project path="prebuilts/gcc/linux-x86/arm/arm-eabi-4.8" name="platform/prebuilts/gcc/linux-x86/arm/arm-eabi-4.8" groups="pdk,linux,arm" remote="aosp" />
   <project path="prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9" name="platform/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9" groups="pdk,linux,arm" remote="aosp" />
   <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" groups="pdk,linux" remote="aosp" />