Drop prebuilt files to android source tree.

CtsShim.apk
package: name=com.android.cts.ctsshim
versionCode=31
versionName=12-7533747
platformBuildVersionName=12
compileSdkVersion=31
compileSdkVersionCodename=12
sdkVersion:24
targetSdkVersion:28

CtsShimPriv.apk
package: name=com.android.cts.priv.ctsshim
versionCode=31
versionName=12-7533747
platformBuildVersionName=12
compileSdkVersion=31
compileSdkVersionCodename=12
sdkVersion:24
targetSdkVersion:28

CtsShim.apk
package: name=com.android.cts.ctsshim
versionCode=31
versionName=12-7533747
platformBuildVersionName=12
compileSdkVersion=31
compileSdkVersionCodename=12
sdkVersion:24
targetSdkVersion:28

CtsShimPriv.apk
package: name=com.android.cts.priv.ctsshim
versionCode=31
versionName=12-7533747
platformBuildVersionName=12
compileSdkVersion=31
compileSdkVersionCodename=12
sdkVersion:24
targetSdkVersion:28

Built here: ab/7533747

This build IS suitable for public release.

The change is generated with prebuilt drop tool.

Test: presubmit
Bug: 188062003
Change-Id: Ib94d2f69593e34bbe7115f974bd5385003d1af4c

.prebuilt_info/prebuilt_info_packages_CtsShim_apk__arm_CtsShimPriv_apk.asciipb

 drops {
   android_build_drop {
-    build_id: "7471822"
+    build_id: "7533747"
     target: "CtsShim"
     source_file: "aosp_arm64/CtsShimPriv.apk"
   }

.prebuilt_info/prebuilt_info_packages_CtsShim_apk__arm_CtsShim_apk.asciipb

 drops {
   android_build_drop {
-    build_id: "7471822"
+    build_id: "7533747"
     target: "CtsShim"
     source_file: "aosp_arm64/CtsShim.apk"
   }

.prebuilt_info/prebuilt_info_packages_CtsShim_apk__x86_CtsShimPriv_apk.asciipb

 drops {
   android_build_drop {
-    build_id: "7471822"
+    build_id: "7533747"
     target: "CtsShim"
     source_file: "aosp_x86_64/CtsShimPriv.apk"
   }

.prebuilt_info/prebuilt_info_packages_CtsShim_apk__x86_CtsShim_apk.asciipb

 drops {
   android_build_drop {
-    build_id: "7471822"
+    build_id: "7533747"
     target: "CtsShim"
     source_file: "aosp_x86_64/CtsShim.apk"
   }