Effect: Add leading zero to decimals in floats.

PiperOrigin-RevId: 509518734

library/effect/src/androidTest/java/com/google/android/exoplayer2/effect/CropPixelTest.java

@@ -116,7 +116,7 @@ public final class CropPixelTest {
   public void drawFrame_cropSmaller_matchesGoldenFile() throws Exception {
     String testId = "drawFrame_cropSmaller";
     cropShaderProgram =
-        new Crop(/* left= */ -.9f, /* right= */ .1f, /* bottom= */ -1f, /* top= */ .5f)
+        new Crop(/* left= */ -0.9f, /* right= */ 0.1f, /* bottom= */ -1f, /* top= */ 0.5f)
             .toGlShaderProgram(context, /* useHdr= */ false);
     Size outputSize = cropShaderProgram.configure(inputWidth, inputHeight);
     setupOutputTexture(outputSize.getWidth(), outputSize.getHeight());

library/effect/src/test/java/com/google/android/exoplayer2/effect/CropTest.java

@@ -48,9 +48,9 @@ public final class CropTest {
   public void configure_setCrop_changesDimensions() {
     int inputWidth = 300;
     int inputHeight = 200;
-    float left = -.5f;
-    float right = .5f;
-    float bottom = .5f;
+    float left = -0.5f;
+    float right = 0.5f;
+    float bottom = 0.5f;
     float top = 1f;
     Crop crop = new Crop(left, right, bottom, top);
 

library/effect/src/test/java/com/google/android/exoplayer2/effect/ScaleToFitTransformationTest.java

@@ -52,14 +52,14 @@ public final class ScaleToFitTransformationTest {
     int inputHeight = 150;
     ScaleToFitTransformation scaleToFitTransformation =
         new ScaleToFitTransformation.Builder()
-            .setScale(/* scaleX= */ .5f, /* scaleY= */ 1f)
+            .setScale(/* scaleX= */ 0.5f, /* scaleY= */ 1f)
             .build();
 
     Size outputSize = scaleToFitTransformation.configure(inputWidth, inputHeight);
     boolean isNoOp = scaleToFitTransformation.isNoOp(inputWidth, inputHeight);
 
     assertThat(isNoOp).isFalse();
-    assertThat(outputSize.getWidth()).isEqualTo(Math.round(inputWidth * .5f));
+    assertThat(outputSize.getWidth()).isEqualTo(Math.round(inputWidth * 0.5f));
     assertThat(outputSize.getHeight()).isEqualTo(inputHeight);
   }