am 2a2ba735: Merge "Add libsigchain to the embedded.mk makefile"
am 2a2ba735: Merge "Add libsigchain to the embedded.mk makefile"

* commit '2a2ba735df028a6168368a399b6df27a6ec33fa4':
  Add libsigchain to the embedded.mk makefile

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build