Bump com.android.tools:r8 from 8.2.42 to 8.2.47 (#8761)

Context: https://r8.googlesource.com/r8/+/refs/tags/8.2.44
Context: https://r8.googlesource.com/r8/+/62baf24ba2b71f4e5bc04c7f01930bc5d47b02be
Context: https://maven.google.com/web/index.html?q=r8#com.android.tools:r8:8.2.47

Note that I was not able to find an *exact* matching tag for this release, but found the commit.

src/r8/build.gradle

@@ -15,7 +15,7 @@ repositories {
 }
 
 dependencies {
-    implementation 'com.android.tools:r8:8.2.42'
+    implementation 'com.android.tools:r8:8.2.47'
 }
 
 jar {