AI 147775: Also add ApiDemos to make sure it gets included in the TestCase repository as   well.   BUG=1810821
AI 147775: Also add ApiDemos to make sure it gets included in the TestCase repository as
  well.
  BUG=1810821

Automated import of CL 147775

xorware/android_build,hagar006/platform_manifest,fallouttester/platform_manifest,xorware/android_build,see4ri/lolili,ND-3500/platform_manifest,RR-msm7x30/platform_manifest,knone1/platform_manifest,Hybrid-Power/startsync,xorware/android_build,xorware/android_build,xorware/android_build,pranav01/platform_manifest