Drop prebuilt files to android source tree.

CtsShimPriv.apk
package: name=com.android.cts.priv.ctsshim
versionCode=30
versionName=S-7197701
platformBuildVersionName=S
compileSdkVersion=30
compileSdkVersionCodename=S
sdkVersion:24
targetSdkVersion:28

CtsShim.apk
package: name=com.android.cts.ctsshim
versionCode=30
versionName=S-7197701
platformBuildVersionName=S
compileSdkVersion=30
compileSdkVersionCodename=S
sdkVersion:24
targetSdkVersion:28

CtsShimPriv.apk
package: name=com.android.cts.priv.ctsshim
versionCode=30
versionName=S-7197701
platformBuildVersionName=S
compileSdkVersion=30
compileSdkVersionCodename=S
sdkVersion:24
targetSdkVersion:28

CtsShim.apk
package: name=com.android.cts.ctsshim
versionCode=30
versionName=S-7197701
platformBuildVersionName=S
compileSdkVersion=30
compileSdkVersionCodename=S
sdkVersion:24
targetSdkVersion:28

Built here: ab/7197701

This build IS suitable for public release.

The change is generated with prebuilt drop tool.

Test: presubmit
Bug: 174856119
Change-Id: Ib3643adfe18a8c4a54328f5a1737a480ea4cfadd