revise migrating to Studio procedure
revise migrating to Studio procedure

Change-Id: Ic8d2498414ccdbe45b7ce349ecb84925e9830ee9

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base