Add prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.[68]

default.xml

@@ -415,6 +415,8 @@
   <project path="prebuilts/gcc/linux-x86/host/i686-linux-glibc2.7-4.4.3" name="platform/prebuilts/gcc/linux-x86/host/i686-linux-glibc2.7-4.4.3" groups="pdk,linux" />
   <project path="prebuilts/gcc/linux-x86/host/i686-linux-glibc2.7-4.6" name="platform/prebuilts/gcc/linux-x86/host/i686-linux-glibc2.7-4.6" groups="pdk,linux" />
   <project path="prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.7-4.6" name="platform/prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.7-4.6" groups="pdk,linux" />
+  <project path="prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6" name="platform/prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6" groups="pdk,linux" />
+  <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" />
   <project path="prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.6" name="platform/prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.6" groups="pdk,linux,mips" />
   <project path="prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.7" name="platform/prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.7" groups="pdk,linux,mips" />
   <project path="prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.8" name="platform/prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.8" groups="pdk,linux,mips" />