Bazel: Tune up rbe build

Increase the jobs parameter to 100.

Change-Id: Ie1421286d5b6fda006daa602d711267be5129e72
diff --git a/tools/remote-bazelrc b/tools/remote-bazelrc
index 0aeb8d5..de7d0df 100644
--- a/tools/remote-bazelrc
+++ b/tools/remote-bazelrc
@@ -25,7 +25,7 @@
 # this higher can make builds faster by allowing more jobs to run in parallel.
 # Setting it too high can result in jobs that timeout, however, while waiting
 # for a remote machine to execute them.
-build:remote --jobs=50
+build:remote --jobs=100
 build:remote --disk_cache=
 
 # Set several flags related to specifying the platform, toolchain and java