Bugfix/ci lint proguard (#19724)

Summary:
* avoid lint to interrupt ci
* add proguard rules
pass all ci
none
 [GENERAL] [ENHANCEMENT] [CI] - Fix lint and proguard
Closes https://github.com/facebook/react-native/pull/19724

Differential Revision: D8446721

Pulled By: hramos

fbshipit-source-id: b21c5418210b27dda6a7194995a25df39af0c92a

RNTester/android/app/build.gradle

@@ -120,6 +120,11 @@ android {
             signingConfig signingConfigs.release
         }
     }
+
+    lintOptions {
+        abortOnError false
+    }
+
     // applicationVariants are e.g. debug, release
     applicationVariants.all { variant ->
         variant.outputs.each { output ->

build.gradle

@@ -35,4 +35,12 @@ allprojects {
             url "$androidSdk/extras/m2repository/"
         }
     }
+
+    project.configurations.all {
+        resolutionStrategy.eachDependency { details ->
+            if (details.requested.group == 'com.facebook.soloader') {
+                details.useVersion "0.3.0"
+            }
+        }
+    }
 }