Updated readme to be more clear about v1 samples.
Updated readme to be more clear about v1 samples.

ramesh2k1/Test,Chilly5/aws-sdk-android-samples,Chilly5/aws-sdk-android-samples,wanzelabs/aws-sdk-android-samples,JTambunt/aws-sdk-android-samples,ramesh2k1/Test,ramesh2k1/Test,awslabs/aws-sdk-android-samples,wanzelabs/aws-sdk-android-samples,JTambunt/aws-sdk-android-samples,lyzxsc/aws-sdk-android-samples,JTambunt/aws-sdk-android-samples,awslabs/aws-sdk-android-samples,wanzelabs/aws-sdk-android-samples,lyzxsc/aws-sdk-android-samples,lyzxsc/aws-sdk-android-samples,Chilly5/aws-sdk-android-samples