Include arm-eabi-4.8 toolchain

remove-minimal.xml

@@ -390,7 +390,6 @@
   <remove-project name="platform/prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1" />
   <remove-project name="platform/prebuilts/gcc/darwin-x86/mips/mips64el-linux-android-4.9" />
   <remove-project name="platform/prebuilts/gcc/darwin-x86/x86/x86_64-linux-android-4.9" />
-  <remove-project name="platform/prebuilts/gcc/linux-x86/arm/arm-eabi-4.8" />
   <remove-project name="platform/prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.8" />
   <remove-project name="platform/prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8" />
   <remove-project name="platform/prebuilts/gcc/linux-x86/mips/mips64el-linux-android-4.9" />