[zorg] Increase AOSP build timeout to 240s

[pzheng]

Summary

We lift the timeout value by one minute for now.

[grosser]

LGTM, thank you!

buildbot/osuosl/master/config/builders.py

return [
                 build_clang=True,
                 extra_cmake_args=["-G", "Ninja",
                                   "-DLLVM_TARGETS_TO_BUILD='ARM;AArch64'",
                                   "-DLLVM_DEFAULT_TARGET_TRIPLE=arm-linux-androideabi",
                                   "-DLLVM_TARGET_ARCH=arm-linux-androideabi",
                                   "-DLLVM_ENABLE_ASSERTIONS=True",
                                   "-DCMAKE_C_COMPILER:FILEPATH=/local/clang+llvm-3.7.1-x86_64-linux-gnu-ubuntu-14.04/bin/clang",
                                   "-DCMAKE_CXX_COMPILER:FILEPATH=/local/clang+llvm-3.7.1-x86_64-linux-gnu-ubuntu-14.04/bin/clang++"],
-                timeout=180,
+                timeout=240,
                 target_clang=None,
                 target_flags="-Wno-error -O3 -mllvm -polly -mllvm -polly-position=before-vectorizer -mllvm -polly-process-unprofitable",
                 jobs=16,
                 extra_make_args=None,
                 env={},
                 clean=False,
                 sync=False,
                 patch=None)}