Drop prebuilt files to android source tree.

CtsShimPriv.apk
package: name=com.android.cts.priv.ctsshim
versionCode=30
versionName=S-7396576
platformBuildVersionName=S
compileSdkVersion=30
compileSdkVersionCodename=S
sdkVersion:24
targetSdkVersion:28

CtsShim.apk
package: name=com.android.cts.ctsshim
versionCode=30
versionName=S-7396576
platformBuildVersionName=S
compileSdkVersion=30
compileSdkVersionCodename=S
sdkVersion:24
targetSdkVersion:28

CtsShimPriv.apk
package: name=com.android.cts.priv.ctsshim
versionCode=30
versionName=S-7396576
platformBuildVersionName=S
compileSdkVersion=30
compileSdkVersionCodename=S
sdkVersion:24
targetSdkVersion:28

CtsShim.apk
package: name=com.android.cts.ctsshim
versionCode=30
versionName=S-7396576
platformBuildVersionName=S
compileSdkVersion=30
compileSdkVersionCodename=S
sdkVersion:24
targetSdkVersion:28

Built here: ab/7396576

This build IS suitable for public release.

The change is generated with prebuilt drop tool.

Bug: 188910443
Test: presubmit
Change-Id: I462a1f2ff62fd33145089c28b886a662bf8fc590